Dyfyniad APA

Metcalf, W. (1959). Native trees of the San Francisco Bay region. University of California Press.

Dyfyniad Arddull Chicago

Metcalf, Woodbridge. Native Trees of the San Francisco Bay Region. Berkeley: University of California Press, 1959.

Dyfyniad MLA

Metcalf, Woodbridge. Native Trees of the San Francisco Bay Region. University of California Press, 1959.

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