Maula, E. (1981). The archipelago as a focus for interdiscyplinary research. Unesco.
Cita Chicago (17th ed.)Maula, Erkka. The Archipelago as a Focus for Interdiscyplinary Research. París: Unesco, 1981.
Cita MLA (9th ed.)Maula, Erkka. The Archipelago as a Focus for Interdiscyplinary Research. Unesco, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.