APA

Kalbitzer H., . (1964). Developing countries and world powers. Alemania: Europaische Verlagsanstalt.

Chicago

Kalbitzer Hellmut, . 1964. Developing countries and world powers. Alemania: Europaische Verlagsanstalt.

Harvard

Kalbitzer H., . (1964). Developing countries and world powers. Alemania: Europaische Verlagsanstalt.

MLA

Kalbitzer Hellmut, . Developing countries and world powers. Alemania: Europaische Verlagsanstalt. 1964.