APA-referens (7:e uppl.)

Cedeño, L. R. (1998). Logic notes and workbook (2nd ed.). RexBook Store.

Chicago-referens (17:e uppl.)

Cedeño, Lourdes Rifareal. Logic Notes and Workbook. 2nd ed. Manila: RexBook Store, 1998.

MLA-referens (9:e uppl.)

Cedeño, Lourdes Rifareal. Logic Notes and Workbook. 2nd ed. RexBook Store, 1998.