Gaya APA

Dewey, M. (2003). Dewey decimal classification and relative index (IV) : Relative index (22nd ed.). Dublin: Online Computer Library Centre (OCLC).

Gaya MLA

Dewey, Melvil. "Dewey decimal classification and relative index (IV) : Relative index". 22nd ed. Dublin: Online Computer Library Centre (OCLC), 2003. Text.