Gaya APA

Alpers, B, J., Afrow, M, L. (1978). Vocational reading skills shoptalk: Metal and machines . Boston: Allyn and Bacon, Inc..

Gaya MLA

Alpers, Byron, J.., Afrow, Mitchell, L.. "Vocational reading skills shoptalk: Metal and machines". Boston: Allyn and Bacon, Inc., 1978. Text.