Gaya APA

Lewis, C, I. (1956). Mind and the World-order (Outline of a theory of knowledge) (Cetakan 1). United States of America: United State of America.

Gaya MLA

Lewis, Clarence, Irving. "Mind and the World-order (Outline of a theory of knowledge)". Cetakan 1 United States of America: United State of America, 1956. Text.