Gaya APA
TIFFIN, J., MCCORMICK, E, J. (1958).
INDUSTRIAL PSYCHOLOGY (Fourth Edition).
Englewood Cliffs, New Jersey:
PRENTICE-HALL.
Gaya MLA
TIFFIN, Joseph., MCCORMICK, Ernest, J..
"INDUSTRIAL PSYCHOLOGY".
Fourth Edition
Englewood Cliffs, New Jersey:
PRENTICE-HALL,
1958.
Textbook.