APA

Frank A. G., . (1980). Crisis. New York, NY [u.a.]: Holmes & Meier.

Chicago

Frank André Gunder, . 1980. Crisis. New York, NY [u.a.]: Holmes & Meier.

Harvard

Frank A. G., . (1980). Crisis. New York, NY [u.a.]: Holmes & Meier.

MLA

Frank André Gunder, . Crisis. New York, NY [u.a.]: Holmes & Meier. 1980.