Dyfyniad APA

Osmaston, B., & Sale, J. (1989). Willife of Dehradun and adjacent hills. Natraj Publishers.

Dyfyniad Arddull Chicago

Osmaston, B.B, and J.B Sale. Willife of Dehradun and Adjacent Hills. Dehradun: Natraj Publishers, 1989.

Dyfyniad MLA

Osmaston, B.B, and J.B Sale. Willife of Dehradun and Adjacent Hills. Natraj Publishers, 1989.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.