APA (7th ed.) Citation

Sidjabat, W. B. (1985). Ahu Si Singamangaraja. Pustaka Sinar Harapan.

Chicago Style (17th ed.) Citation

Sidjabat, W Bonar. Ahu Si Singamangaraja. Pustaka Sinar Harapan, 1985.

MLA (9th ed.) Citation

Sidjabat, W Bonar. Ahu Si Singamangaraja. Pustaka Sinar Harapan, 1985.

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