Gaya APA

Dewey, M. (1996). Dewey Decimal Classification and Relative Index Edition 21, Volume 4: Relative Index-Manual (Edisi ke-21). New York: Forest Press.

Gaya MLA

Dewey, Melvil. "Dewey Decimal Classification and Relative Index Edition 21, Volume 4: Relative Index-Manual". Edisi ke-21 New York: Forest Press, 1996. Book.