APA aipamena

Waterhouse, V. (1950). Chontal phonemes. s.n.].

Chicago Style aipamena

Waterhouse, Viola. Chontal Phonemes. [s.l: s.n.], 1950.

MLA aipamena

Waterhouse, Viola. Chontal Phonemes. s.n.], 1950.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.