توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Rubber Association of Singapore. (1974). Rubber Association of Singapore seminar, 6th to 25th July, 1974, on the marketing of natural rubber. The Association.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Rubber Association of Singapore. Rubber Association of Singapore Seminar, 6th to 25th July, 1974, on the Marketing of Natural Rubber. [Singapore]: The Association, 1974.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Rubber Association of Singapore. Rubber Association of Singapore Seminar, 6th to 25th July, 1974, on the Marketing of Natural Rubber. The Association, 1974.