APA

Leys W. A. R., . (1968). Ethics for policy decisions: the art of asking deliberative questions. New York: Greenwood Press.

Chicago

Leys Wayne Albert Risser, . 1968. Ethics for policy decisions: the art of asking deliberative questions. New York: Greenwood Press.

Harvard

Leys W. A. R., . (1968). Ethics for policy decisions: the art of asking deliberative questions. New York: Greenwood Press.

MLA

Leys Wayne Albert Risser, . Ethics for policy decisions: the art of asking deliberative questions. New York: Greenwood Press. 1968.