Gaya APA

ABDULLAH, S., KLEMM, O. (2017). A HISTORY OF PSYCHOLOGY (CET. 1). YOGYAKARTA: INDOLITERASI.

Gaya MLA

ABDULLAH, SUPRIYANTO., KLEMM, OTTO. "A HISTORY OF PSYCHOLOGY". CET. 1 YOGYAKARTA: INDOLITERASI, 2017. Text.