Παραπομπή σε μορφή APA (7η εκδ.)

Husserl, E., & Willard, D. (1993). Early writings in the philosophy of logic and mathematics. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Husserl, Edmund, και Dallas Willard. Early Writings in the Philosophy of Logic and Mathematics. Dordrecht: Kluwer Academic Publishers, 1993.

Παραπομπή σε μορφή MLA (8th εκδ.)

Husserl, Edmund, και Dallas Willard. Early Writings in the Philosophy of Logic and Mathematics. Kluwer Academic Publishers, 1993.