APA (7th ed.) Citation

Afifah Afra. Adakah anda optimis? Synergy Media.

Chicago Style (17th ed.) Citation

Afifah Afra. Adakah Anda Optimis? Kuala Lumpur: Synergy Media.

MLA (9th ed.) Citation

Afifah Afra. Adakah Anda Optimis? Synergy Media.

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