Indonesia. Direktorat Jenderal Perhubungan Laut. (1971). Documentation related to the improvement of maritime services. Directorate General of Sea Communications.
Čikaški stil citiranja (17. izdanje)Indonesia. Direktorat Jenderal Perhubungan Laut. Documentation Related to the Improvement of Maritime Services. [Djakarta: Directorate General of Sea Communications, 1971.
MLA način citiranja (8. izdanje)Indonesia. Direktorat Jenderal Perhubungan Laut. Documentation Related to the Improvement of Maritime Services. Directorate General of Sea Communications, 1971.
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