APA (7th ed.) Citation

Purba, P. J. Pengelolaan lingkungan sosial. Yayasan Obor Indonesia.

Chicago Style (17th ed.) Citation

Purba, Penyunting Jonny. Pengelolaan Lingkungan Sosial. Yayasan Obor Indonesia.

MLA (8th ed.) Citation

Purba, Penyunting Jonny. Pengelolaan Lingkungan Sosial. Yayasan Obor Indonesia.

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