Παραπομπή σε μορφή APA (7η εκδ.)

Ostrom, E., & Walker, J. (2003). Trust and reciprocity: Interdisciplinary lessons from experimental research. Russell Sage Foundation.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ostrom, Elinor, και James Walker. Trust and Reciprocity: Interdisciplinary Lessons from Experimental Research. New York: Russell Sage Foundation, 2003.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ostrom, Elinor, και James Walker. Trust and Reciprocity: Interdisciplinary Lessons from Experimental Research. Russell Sage Foundation, 2003.