Παραπομπή σε μορφή APA (7η εκδ.)

Hamlett, T. R., & Herringrton, L. L. (1981). The Closed Graph and P-Closed Graph Properties in General Topology. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hamlett, T. R., και L. L. Herringrton. The Closed Graph and P-Closed Graph Properties in General Topology. Rhode island: American Mathematical Society, 1981.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hamlett, T. R., και L. L. Herringrton. The Closed Graph and P-Closed Graph Properties in General Topology. American Mathematical Society, 1981.