Dyfyniad APA

Horner, C. E., & Booth, E. S. (1953). Spring flowers of southeastern Washington and northeastern Oregon. Walla Walla College, Dept. of Biological Sciences.

Dyfyniad Arddull Chicago

Horner, Chester E., and Ernest S. Booth. Spring Flowers of Southeastern Washington and Northeastern Oregon. College Place, Wash.: Walla Walla College, Dept. of Biological Sciences, 1953.

Dyfyniad MLA

Horner, Chester E., and Ernest S. Booth. Spring Flowers of Southeastern Washington and Northeastern Oregon. Walla Walla College, Dept. of Biological Sciences, 1953.

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