Gaya APA
Wahyu, Y, I. (2009).
Evaluasilah diri anda PSIKOLOGI (Evaluate yourself: PSYCHOLOGY) .
Tangerang:
KARISMA Publishing Group.
Gaya MLA
Wahyu, Y., Istiyono.
"Evaluasilah diri anda PSIKOLOGI (Evaluate yourself: PSYCHOLOGY)".
Tangerang:
KARISMA Publishing Group,
2009.
100_Philoshopy.