IUSY : : Internationall union of Socialist Youth : Xe Kongres (malta - mei 1973).

MLA

Iusy : Internationall Union of Socialist Youth : Xe Kongres (malta - Mei 1973). Brussel: Duytschaever, 1973.

APA

(1973). IUSY : Internationall union of Socialist Youth : Xe Kongres (malta - mei 1973). Brussel: Duytschaever.

Chicago

IUSY: Internationall Union of Socialist Youth : Xe Kongres (malta - Mei 1973). Brussel: Duytschaever, 1973.