APA (7th ed.) Citation

Harahap. (1989). Syurga yang kau janjikan (Cet. 1.). Cresent News Agencies.

Chicago Style (17th ed.) Citation

Harahap. Syurga Yang Kau Janjikan. Cet. 1. Kuala Lumpur: Cresent News Agencies, 1989.

MLA (8th ed.) Citation

Harahap. Syurga Yang Kau Janjikan. Cet. 1. Cresent News Agencies, 1989.

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