Journal of Problem-Based Learning [electronic] (ohne Datum). [Erscheinungsort nicht ermittelbar]: Halla Newcastle Education and Research Center.
Chicago Manual of Style 17th edition (full note)Journal of Problem-Based Learning. Electronic. [Erscheinungsort nicht ermittelbar]: Halla Newcastle Education and Research Center, o. J., [Erscheinungsort nicht ermittelbar]: Halla Newcastle Education and Research Center, o. J.
American Psychological Association 7th editionJournal of Problem-Based Learning. (o. J.). [Electronic]. Halla Newcastle Education and Research Center.
Modern Language Association 9th editionJournal of Problem-Based Learning. electronic, Halla Newcastle Education and Research Center.
ISO-690 (author-date, Deutsch)Journal of Problem-Based Learning, [kein Datum]. . [Erscheinungsort nicht ermittelbar]: Halla Newcastle Education and Research Center