Dyfyniad APA

KIMBALL, J. W. (1975). Man and nature: Principles of human and environmental biology. Addison-Wesley Pub. Co.

Dyfyniad Arddull Chicago

KIMBALL, John W. Man and Nature: Principles of Human and Environmental Biology. Massachusett: Addison-Wesley Pub. Co, 1975.

Dyfyniad MLA

KIMBALL, John W. Man and Nature: Principles of Human and Environmental Biology. Addison-Wesley Pub. Co, 1975.

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