Walker, C. (1983). The impact of pest management bees and pollination. London: Tropical Development and research Institute.
Trích dẫn kiểu ChicagoWalker, Crane. The Impact of Pest Management Bees and Pollination. London: Tropical Development and research Institute, 1983.
ציטוט MLAWalker, Crane. The Impact of Pest Management Bees and Pollination. London: Tropical Development and research Institute, 1983.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.