Simon,David. (2006). Ramps and wedges. Kedai buku SBY.
Chicago Style (17th ed.) CitationSimon,David. Ramps and Wedges. Pahang: Kedai buku SBY, 2006.
MLA (9th ed.) CitationSimon,David. Ramps and Wedges. Kedai buku SBY, 2006.
Warning: These citations may not always be 100% accurate.