Dyfyniad APA

Mcknight, T. L. (1990). Physical geography: A landscape appreciation (3rd ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Mcknight, Tom L. Physical Geography: A Landscape Appreciation. 3rd ed. Englewood Cliffs, N.J: Prentice-Hall, 1990.

Dyfyniad MLA

Mcknight, Tom L. Physical Geography: A Landscape Appreciation. 3rd ed. Prentice-Hall, 1990.

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