Abdul Khalil Shawkataly & Rozman Hj Din. (2004). Gentian dan komposit lignoselulosik. Universiti Sains Malaysia.
Chicago Style (17th ed.) CitationAbdul Khalil Shawkataly and Rozman Hj Din. Gentian Dan Komposit Lignoselulosik. Pulau Pinang: Universiti Sains Malaysia, 2004.
MLA (8th ed.) CitationAbdul Khalil Shawkataly and Rozman Hj Din. Gentian Dan Komposit Lignoselulosik. Universiti Sains Malaysia, 2004.
Warning: These citations may not always be 100% accurate.