Gaya APA

Marsh, M, V., Rinehart, C, A. (1980). Sounds Of Singing Voices (Pertama). New York: Macmillan Publishing.

Gaya MLA

Marsh, Mary, Val., Rinehart, Carrol, A. "Sounds Of Singing Voices". Pertama New York: Macmillan Publishing, 1980. Text.