Hawksworth,D L. (1991). Biodiversity of mocroorganisms and invertebrates: Its role in sustainable agriculture proceedings of the WEFSA London,26-27 July ,1990. CAB international.
استشهاد بنمط شيكاغوHawksworth,D L. Biodiversity of Mocroorganisms and Invertebrates: Its Role in Sustainable Agriculture Proceedings of the WEFSA London,26-27 July ,1990. UK: CAB international, 1991.
MLA استشهادHawksworth,D L. Biodiversity of Mocroorganisms and Invertebrates: Its Role in Sustainable Agriculture Proceedings of the WEFSA London,26-27 July ,1990. CAB international, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.