APA

Ackerman W. B., Lohnes Paul R, . (1981). Research methods for nurses. New York: McGraw-Hill.

Chicago

Ackerman Winona B, Lohnes Paul R, . 1981. Research methods for nurses. New York: McGraw-Hill.

Harvard

Ackerman W. B., Lohnes Paul R, . (1981). Research methods for nurses. New York: McGraw-Hill.

MLA

Ackerman Winona B, Lohnes Paul R, . Research methods for nurses. New York: McGraw-Hill. 1981.