Gaya APA

ROPPER, A, H., SAMUELS, M, A. (2009). Adams and victor's principles of neurology (9th ed.). New York: McGraw Hill Medical.

Gaya MLA

ROPPER, Allan, H.., SAMUELS, Martin, A.. "Adams and victor's principles of neurology". 9th ed. New York: McGraw Hill Medical, 2009. Buku.