Παραπομπή APA

Eichelberger, C. M. (1970). UN: The first twenty -five years. Harper & Row.

Παραπομπή Chicago Style

Eichelberger, Clark M. UN: The First Twenty -five Years. New York: Harper & Row, 1970.

Παραπομπή MLA

Eichelberger, Clark M. UN: The First Twenty -five Years. Harper & Row, 1970.