Παραπομπή σε μορφή APA (7η εκδ.)

(2006). World reference base for soil resources 2006: A framework for international classification, correlation and communication. Food and agriculture organization of the United Nations.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Reference Base for Soil Resources 2006: A Framework for International Classification, Correlation and Communication. Rome: Food and agriculture organization of the United Nations, 2006.

Παραπομπή σε μορφή MLA (9th εκδ.)

World Reference Base for Soil Resources 2006: A Framework for International Classification, Correlation and Communication. Food and agriculture organization of the United Nations, 2006.