APA (7th ed.) Citation

Hamdan Osman. (2008). Variasi dunia orkid. Alaf 21.

Chicago Style (17th ed.) Citation

Hamdan Osman. Variasi Dunia Orkid. Selangor: Alaf 21, 2008.

MLA (9th ed.) Citation

Hamdan Osman. Variasi Dunia Orkid. Alaf 21, 2008.

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