Παραπομπή σε μορφή APA (7η εκδ.)

Doeser, M. C., & Kraay, J. N. (1986). Facts and values: Philosophical reflections from western and non-western perspectives. Martinus Nijhoff.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Doeser, M. C., και J. N. Kraay. Facts and Values: Philosophical Reflections from Western and Non-western Perspectives. Dordrecht: Martinus Nijhoff, 1986.

Παραπομπή σε μορφή MLA (8th εκδ.)

Doeser, M. C., και J. N. Kraay. Facts and Values: Philosophical Reflections from Western and Non-western Perspectives. Martinus Nijhoff, 1986.