APA Citation

(1991). Psikologi Popular Mengatasi Insomia. Penebar Swadaya.

Chicago Style Citation

Psikologi Popular Mengatasi Insomia. Penebar Swadaya, 1991.

MLA Citation

Psikologi Popular Mengatasi Insomia. Penebar Swadaya, 1991.

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