Dyfyniad APA
ebrary, Inc, Whitaker, J. O., & Amlaner, C. J. (2012). Habitats and ecological communities of Indiana: Presettlement to present. Indiana University Press.
Dyfyniad Arddull Chicago
ebrary, Inc, John O. Whitaker, and Charles J. Amlaner. Habitats and Ecological Communities of Indiana: Presettlement to Present. Bloomington: Indiana University Press, 2012.
Dyfyniad MLA
ebrary, Inc, et al. Habitats and Ecological Communities of Indiana: Presettlement to Present. Indiana University Press, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.