APA (7th ed.) Citation

Abdullah Harahap. Misteri kalung setan. Synergy Media.

Chicago Style (17th ed.) Citation

Abdullah Harahap. Misteri Kalung Setan. KL: Synergy Media.

MLA (9th ed.) Citation

Abdullah Harahap. Misteri Kalung Setan. Synergy Media.

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