Gaya APA

Dewey, Melvil. (2011). DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX (DDC) (23rd). USA: OCLC.

Gaya Chicago

Dewey, Melvil. DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX (DDC). 23rd USA: OCLC, 2011. Text.

Gaya MLA

Dewey, Melvil. DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX (DDC). 23rd USA: OCLC, 2011. Text.

Gaya Turabian

Dewey, Melvil. DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX (DDC). 23rd USA: OCLC, 2011. Print.