Παραπομπή σε μορφή APA (7η εκδ.)

Hanna, L. W. (1990). Land use changes in the island of Barbados, 1985-1990. University of Newcastle Upon Tyne, Department of Geography.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hanna, L. W. Land Use Changes in the Island of Barbados, 1985-1990. Newcastle Upon Tyne: University of Newcastle Upon Tyne, Department of Geography, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hanna, L. W. Land Use Changes in the Island of Barbados, 1985-1990. University of Newcastle Upon Tyne, Department of Geography, 1990.