APA aipamena

Arrieta, O. (2007). Land Management and Planning in Siquirres. A Geographical Approach.

Chicago Style aipamena

Arrieta, Omar. Land Management and Planning in Siquirres. A Geographical Approach. 2007.

MLA aipamena

Arrieta, Omar. Land Management and Planning in Siquirres. A Geographical Approach. 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.