Παραπομπή σε μορφή APA (7η εκδ.)

Hayes, J. E. R. (1948). Nature of patentable invention, its attributes and definition ("Second edition.".). Addison-Wesley Press, Inc.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hayes, John Edward Rollins. Nature of Patentable Invention, Its Attributes and Definition. "Second edition.". Cambridge, Mass: Addison-Wesley Press, Inc, 1948.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hayes, John Edward Rollins. Nature of Patentable Invention, Its Attributes and Definition. "Second edition.". Addison-Wesley Press, Inc, 1948.