Nikula, U., Sajaniemi, J., Tedre, M. und Wray, S. (2007) „Python and Roles of Variables in Introductory Programming: Experiences from Three Educational Institutions“, Journal of Information Technology Education, 6, S. 199-214.
Chicago Manual of Style 17th edition (full note)Nikula, Uolevi, Jorma Sajaniemi, Matti Tedre, und Stuart Wray. „Python and Roles of Variables in Introductory Programming: Experiences from Three Educational Institutions“. Journal of Information Technology Education 6 (1. Januar 2007): 199-214.
American Psychological Association 7th editionNikula, U., Sajaniemi, J., Tedre, M., & Wray, S. (2007). Python and Roles of Variables in Introductory Programming: Experiences from Three Educational Institutions. Journal of Information Technology Education, 6, 199-214.
Modern Language Association 9th editionNikula, U., J. Sajaniemi, M. Tedre, und S. Wray. „Python and Roles of Variables in Introductory Programming: Experiences from Three Educational Institutions“. Journal of Information Technology Education, Bd. 6, Januar 2007, S. 199-14.
ISO-690 (author-date, Deutsch)NIKULA, Uolevi, Jorma SAJANIEMI, Matti TEDRE und Stuart WRAY, 2007. Python and Roles of Variables in Introductory Programming: Experiences from Three Educational Institutions. Journal of Information Technology Education. 1 Januar 2007. Bd. 6, , S. 199-214