APA

Hardy M. E., Conway M. E., . (1978). Role theory: perspectives for health professionals. New York: Appleton-Century-Crofts.

Chicago

Hardy Margaret E, Conway Mary E, . 1978. Role theory: perspectives for health professionals. New York: Appleton-Century-Crofts.

Harvard

Hardy M. E., Conway M. E., . (1978). Role theory: perspectives for health professionals. New York: Appleton-Century-Crofts.

MLA

Hardy Margaret E, Conway Mary E, . Role theory: perspectives for health professionals. New York: Appleton-Century-Crofts. 1978.