APA (7e ed.) Bronvermelding

Ashley, S., & Ashley, L. (1967). The phonemes of Tausug [microform]. Photo Science Studios, Cornell University.

Chicago (17e ed.) Bronvermelding

Ashley, Seymour, en Lois Ashley. The Phonemes of Tausug [microform]. Ithaca, N.Y: Photo Science Studios, Cornell University, 1967.

MLA (9e ed.) Bronvermelding

Ashley, Seymour, en Lois Ashley. The Phonemes of Tausug [microform]. Photo Science Studios, Cornell University, 1967.