APA (7th ed.) Citation

Sibarani, A. (1979). Perjuangan pahlawan nasional Sisingamangaraja XII. Ever ready.

Chicago Style (17th ed.) Citation

Sibarani, A. Perjuangan Pahlawan Nasional Sisingamangaraja XII. Ever ready, 1979.

MLA (8th ed.) Citation

Sibarani, A. Perjuangan Pahlawan Nasional Sisingamangaraja XII. Ever ready, 1979.

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