Gaya APA

Alpers, B, J., Afrow, M, L. (1978). Vocational reading skills : shoptalk electronics . Bogor: Allyn and bacon.

Gaya MLA

Alpers, Byron, J.., Afrow, Mitchell, L.. "Vocational reading skills : shoptalk electronics". Bogor: Allyn and bacon, 1978. Text.