Dyfyniad APA
Needham, J. G. (1913). Natural History of the Farm: A Guide to the Practical Study of the Sources of Our Living in Wild Nature. The Comstock publishing company.
Dyfyniad Arddull Chicago
Needham, James G. Natural History of the Farm: A Guide to the Practical Study of the Sources of Our Living in Wild Nature. Ithaca, N.Y.: The Comstock publishing company, 1913.
Dyfyniad MLA
Needham, James G. Natural History of the Farm: A Guide to the Practical Study of the Sources of Our Living in Wild Nature. The Comstock publishing company, 1913.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.