APA (7th ed.) Citation

Muhammad Umar. (2011). Nikmat Kekayaan Sumber Mineral. Pustaka Prinsip Sdn. Bhd..

Chicago Style (17th ed.) Citation

Muhammad Umar. Nikmat Kekayaan Sumber Mineral. Kuala Lumpur: Pustaka Prinsip Sdn. Bhd., 2011.

MLA (9th ed.) Citation

Muhammad Umar. Nikmat Kekayaan Sumber Mineral. Pustaka Prinsip Sdn. Bhd., 2011.

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