APA (7th ed.) Citation

KUSDIYATI, S., & FAHMI, I. (2019). OBSERVASI PSIKOLOGI.

Chicago Style (17th ed.) Citation

KUSDIYATI, SULISWORO, and IRFAN FAHMI. OBSERVASI PSIKOLOGI. 2019.

MLA (8th ed.) Citation

KUSDIYATI, SULISWORO, and IRFAN FAHMI. OBSERVASI PSIKOLOGI. 2019.

Warning: These citations may not always be 100% accurate.