APA (7th ed.) Citation

Sulaiman Muhammad. Manual mengatasi kesedihan. Synergy Media.

Chicago Style (17th ed.) Citation

Sulaiman Muhammad. Manual Mengatasi Kesedihan. Kuala Lumpur: Synergy Media.

MLA (9th ed.) Citation

Sulaiman Muhammad. Manual Mengatasi Kesedihan. Synergy Media.

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