APA (7th ed.) Citation

Planck, U. Sosiologi pertanian. Yayasan obor Indonesia.

Chicago Style (17th ed.) Citation

Planck, Ulrich. Sosiologi Pertanian. Yayasan obor Indonesia.

MLA (8th ed.) Citation

Planck, Ulrich. Sosiologi Pertanian. Yayasan obor Indonesia.

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