Cita APA (7th ed.)

Dewey, M. (1986). An expansion of Dewey decimal classification scheme for Philippine languages, literature and history. The National Library.

Cita Chicago (17th ed.)

Dewey, Melvil. An Expansion of Dewey Decimal Classification Scheme for Philippine Languages, Literature and History. Manila: The National Library, 1986.

Cita MLA (9th ed.)

Dewey, Melvil. An Expansion of Dewey Decimal Classification Scheme for Philippine Languages, Literature and History. The National Library, 1986.