Yang, S. (1970). Studies on certain aspects of the biology of the local oyster, Crassostrea Cucullata (Born.), in Singapore waters in relation to its cultivation.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Yang, Swee-ling. Studies on Certain Aspects of the Biology of the Local Oyster, Crassostrea Cucullata (Born.), in Singapore Waters in Relation to Its Cultivation. 1970.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Yang, Swee-ling. Studies on Certain Aspects of the Biology of the Local Oyster, Crassostrea Cucullata (Born.), in Singapore Waters in Relation to Its Cultivation. 1970.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.