Παραπομπή σε μορφή APA (7η εκδ.)

French, S., Kamminga, H., & Post, H. (1993). Correspondence, invariance and heuristics: Essays in honour of Heinz Post. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

French, Steven, Harmke Kamminga, και Heinz Post. Correspondence, Invariance and Heuristics: Essays in Honour of Heinz Post. Dordrecht: Kluwer Academic Publishers, 1993.

Παραπομπή σε μορφή MLA (8th εκδ.)

French, Steven, et al. Correspondence, Invariance and Heuristics: Essays in Honour of Heinz Post. Kluwer Academic Publishers, 1993.