Dyfyniad APA

Brewbaker, J. L. (1989). Can there be such a thing as a perfect tree?

Dyfyniad Arddull Chicago

Brewbaker, James L. Can There Be Such a Thing as a Perfect Tree? 1989.

Dyfyniad MLA

Brewbaker, James L. Can There Be Such a Thing as a Perfect Tree? 1989.

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