APA aipamena

Harold William Rickett. (1965). Wild flowers of the United States. Vol.1 - P.1. New York: McGraw-Hill.

Chicago Style aipamena

Harold William Rickett. Wild Flowers of the United States. Vol.1 - P.1. New York: McGraw-Hill, 1965.

MLA aipamena

Harold William Rickett. Wild Flowers of the United States. Vol.1 - P.1. New York: McGraw-Hill, 1965.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.