Tohutoro APA (7th ed.)

Leavell, U. W. (1961). Open roads. American Bk.Co..

Tohutoru Kātū Chicago (17th ed.)

Leavell, Ullin W. Open Roads. New york: American Bk.Co., 1961.

Tohutoro MLA (9th ed.)

Leavell, Ullin W. Open Roads. American Bk.Co., 1961.