Valverde, J., Hanson, P., & Carpenter, J. (2019). Keys to the Costa Rican species of paper wasps (Hymenoptera: Vespidae: Polistinae).
استشهاد بنمط شيكاغوValverde, J.-Pablo, Paul Hanson, و James Carpenter. Keys to the Costa Rican Species of Paper Wasps (Hymenoptera: Vespidae: Polistinae). 2019.
MLA استشهادValverde, J.-Pablo, Paul Hanson, و James Carpenter. Keys to the Costa Rican Species of Paper Wasps (Hymenoptera: Vespidae: Polistinae). 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.