Gaya APA
Porter, L, W., Stecrs, R, M. (1979).
Motivation and work behaviar : Richard M. Stecrs (2).
Tokyo:
Mc Graw Itill.
Gaya MLA
Porter, Lyman, W.., Stecrs, Richard, M.
"Motivation and work behaviar : Richard M. Stecrs".
2
Tokyo:
Mc Graw Itill,
1979.
Buku.