Gaya APA
W.Wilson, P., Achmadi, G. (1989).
The Long Journey From Turmoil To Self-Sufficiency .
jakarta:
Yayasan Persada Nusantara.
Gaya MLA
W.Wilson, Prof.DR.Donald., Achmadi, Geri.
"The Long Journey From Turmoil To Self-Sufficiency".
jakarta:
Yayasan Persada Nusantara,
1989.
Text.