APA (7th ed.) Citation

Osman bin Jantan. (1990). Hari-hari penting dalam islam. Times Books International.

Chicago Style (17th ed.) Citation

Osman bin Jantan. Hari-hari Penting Dalam Islam. Singapore: Times Books International, 1990.

MLA (8th ed.) Citation

Osman bin Jantan. Hari-hari Penting Dalam Islam. Times Books International, 1990.

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