Cullen, K. (2007). Pioneers in Science: Marine Science :The People Behind the Science. Viva book.
استشهاد بنمط شيكاغوCullen, Katherine. Pioneers in Science: Marine Science :The People Behind the Science. New delhi: Viva book, 2007.
MLA استشهادCullen, Katherine. Pioneers in Science: Marine Science :The People Behind the Science. Viva book, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.