Citazione Stile APA (7a Edizione)

Smoke, R., & By Harman , . W. (1987). Paths to peace : exploring the feasibility: Of sustainable peace. Westview Pr..

Citazione stile Chigago Style (17a edizione)

Smoke, Richard, e Willis By Harman. Paths to Peace : Exploring the Feasibility: Of Sustainable Peace. Boulde, Colo.: Westview Pr., 1987.

Citatione MLA (9a ed.)

Smoke, Richard, e Willis By Harman. Paths to Peace : Exploring the Feasibility: Of Sustainable Peace. Westview Pr., 1987.