Rubber Association of Singapore. (1974). Rubber Association of Singapore seminar, 6th to 25th July, 1974, on the marketing of natural rubber. The Association.
Čikaški stil citiranja (17. izdanje)Rubber Association of Singapore. Rubber Association of Singapore Seminar, 6th to 25th July, 1974, on the Marketing of Natural Rubber. [Singapore]: The Association, 1974.
MLA način citiranja (8. izdanje)Rubber Association of Singapore. Rubber Association of Singapore Seminar, 6th to 25th July, 1974, on the Marketing of Natural Rubber. The Association, 1974.
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