Ridley, H. N. (1969). Developers of the rubber industry of Singapore and a Malaya. Research Institute of Economic Plants in the Tropics.
Chicago Style (17th ed.) CitationRidley, Henry Nicholas. Developers of the Rubber Industry of Singapore and a Malaya. Singapore: Research Institute of Economic Plants in the Tropics, 1969.
MLA (9th ed.) CitationRidley, Henry Nicholas. Developers of the Rubber Industry of Singapore and a Malaya. Research Institute of Economic Plants in the Tropics, 1969.
Warning: These citations may not always be 100% accurate.