Campbell, J. A., & Smith, E. N. (2000). A new species of arboreal pitviper from the Atlantic versant of northern Central America.
استشهاد بنمط شيكاغوCampbell, Jonathan A., و Eric N. Smith. A New Species of Arboreal Pitviper From the Atlantic Versant of Northern Central America. 2000.
MLA استشهادCampbell, Jonathan A., و Eric N. Smith. A New Species of Arboreal Pitviper From the Atlantic Versant of Northern Central America. 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.