Gaya APA

Learning. (1964). new jersey: Prentice Hall.

Gaya Chicago

Learning. Cet.5. new jersey: Prentice Hall, 1964. .

Gaya MLA

Learning. Cet.5. new jersey: Prentice Hall, 1964. .

Gaya Turabian

Learning. new jersey: Prentice Hall, 1964. .