APA aipamena

Iqbal Fahreen Hamdan. (2010). Usaha murni. Zufad Enterprise.

Chicago Style aipamena

Iqbal Fahreen Hamdan. Usaha Murni. Selangor: Zufad Enterprise, 2010.

MLA aipamena

Iqbal Fahreen Hamdan. Usaha Murni. Zufad Enterprise, 2010.