Rubber Association of Singapore. (1974). Rubber Association of Singapore seminar, 6th to 25th July, 1974, on the marketing of natural rubber. The Association.
Chicago-referens (17:e uppl.)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-referens (8:e uppl.)Rubber Association of Singapore. Rubber Association of Singapore Seminar, 6th to 25th July, 1974, on the Marketing of Natural Rubber. The Association, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.