APA (7th ed.) Citation

(1980). Teknik Dasar/O.F Patty. Universitas Petra.

Chicago Style (17th ed.) Citation

Teknik Dasar/O.F Patty. Universitas Petra, 1980.

MLA (8th ed.) Citation

Teknik Dasar/O.F Patty. Universitas Petra, 1980.

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