Gaya APA
Alpers, B, J., L.Afrow, M. (1978).
Vocational Reading Skills Shoptalk : Electricity. .
USA:
Allyn and Bacon.
Gaya MLA
Alpers, Byron, J., L.Afrow, Mitchell.
"Vocational Reading Skills Shoptalk : Electricity.".
USA:
Allyn and Bacon,
1978.
Text.