Palfreyman, N. (2019) Variation in Indonesian Sign Language : A Typological and Sociolinguistic Analysis [cd], Sign Language Typology [SLT]. Berlin: De Gruyter Mouton. doi:10.1515/9781501504822.
Chicago Manual of Style 17th edition (full note)Palfreyman, Nick. Variation in Indonesian Sign Language : A Typological and Sociolinguistic Analysis. Cd. Sign Language Typology [SLT]. Berlin: De Gruyter Mouton, [2019?], Berlin: De Gruyter Mouton, [2019?]. https://doi.org/10.1515/9781501504822.
American Psychological Association 7th editionPalfreyman, N. (ca. 2019). Variation in Indonesian Sign Language : A Typological and Sociolinguistic Analysis [Cd]. In Sign Language Typology [SLT]. De Gruyter Mouton. https://doi.org/10.1515/9781501504822
Modern Language Association 9th editionPalfreyman, N. „Variation in Indonesian Sign Language : A Typological and Sociolinguistic Analysis“. Sign Language Typology [SLT], cd, De Gruyter Mouton, 2019, https://doi.org/10.1515/9781501504822.
ISO-690 (author-date, Deutsch)PALFREYMAN, Nick, 2019. Variation in Indonesian Sign Language : A Typological and Sociolinguistic Analysis. Berlin: De Gruyter Mouton. ISBN 9781501504822