Das, I., & Genevieve, V. A. G. (2016). Unrecorded watermark, colour shade and perforation variation in philatelic issues commemorating the World Youth Stamp Exhibition (2014) from Malaysia. Philatelic Society of Kuching Sarawak.
Chicago Style (17th ed.) CitationDas, I., and V. A. Gee Genevieve. Unrecorded Watermark, Colour Shade and Perforation Variation in Philatelic Issues Commemorating the World Youth Stamp Exhibition (2014) from Malaysia. Philatelic Society of Kuching Sarawak, 2016.
MLA (9th ed.) CitationDas, I., and V. A. Gee Genevieve. Unrecorded Watermark, Colour Shade and Perforation Variation in Philatelic Issues Commemorating the World Youth Stamp Exhibition (2014) from Malaysia. Philatelic Society of Kuching Sarawak, 2016.
Warning: These citations may not always be 100% accurate.