APA (7th ed.) Citation

(1983). Teknik Dasar / Patty. Universitas Petra.

Chicago Style (17th ed.) Citation

Teknik Dasar / Patty. Universitas Petra, 1983.

MLA (8th ed.) Citation

Teknik Dasar / Patty. Universitas Petra, 1983.

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