APA (7th ed.) Citation

Poerbakawatja, S., & Harahap, H. (1981). Endiklopedi pendidikan. Gunung Agung.

Chicago Style (17th ed.) Citation

Poerbakawatja, Soegarda, and HAH Harahap. Endiklopedi Pendidikan. Gunung Agung, 1981.

MLA (8th ed.) Citation

Poerbakawatja, Soegarda, and HAH Harahap. Endiklopedi Pendidikan. Gunung Agung, 1981.

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