APA

A.A.V.V, . (2004). Common Calling. Washington D.C: Georgetown University Press.

Chicago

A.A.V.V, . 2004. Common Calling. Washington D.C: Georgetown University Press.

Harvard

A.A.V.V, . (2004). Common Calling. Washington D.C: Georgetown University Press.

MLA

A.A.V.V, . Common Calling. Washington D.C: Georgetown University Press. 2004.