APA

Luebe.Kurt R, . (1987). The essence of F.R.I.E.D.M.A.N. California: Hoover Institution Press.

Chicago

Luebe.Kurt R, . 1987. The essence of F.R.I.E.D.M.A.N. California: Hoover Institution Press.

Harvard

Luebe.Kurt R, . (1987). The essence of F.R.I.E.D.M.A.N. California: Hoover Institution Press.

MLA

Luebe.Kurt R, . The essence of F.R.I.E.D.M.A.N. California: Hoover Institution Press. 1987.