APA (7th ed.) Citation

AZIZ., A. (1990). Empat GBHN. Bumi Aksara.

Chicago Style (17th ed.) Citation

AZIZ., Arnicun. Empat GBHN. Bumi Aksara, 1990.

MLA (8th ed.) Citation

AZIZ., Arnicun. Empat GBHN. Bumi Aksara, 1990.

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