APA (7th ed.) Citation

Wachs, W. (1980). Mengatasi problem-problem manager. Sinar Kumala.

Chicago Style (17th ed.) Citation

Wachs, William. Mengatasi Problem-problem Manager. Sinar Kumala, 1980.

MLA (8th ed.) Citation

Wachs, William. Mengatasi Problem-problem Manager. Sinar Kumala, 1980.

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