Rubber Association of Singapore. (1974). Rubber Association of Singapore seminar, 6th to 25th July, 1974, on the marketing of natural rubber. The Association.
Chicago-viite (17. p.)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-viite (8. p.)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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