Citazione Stile APA (7a Edizione)

Philippine Printing Technical Foundation. (1974). Graphic arts directory: A listing of suppliers and services. s.n.

Citazione stile Chigago Style (17a edizione)

Philippine Printing Technical Foundation. Graphic Arts Directory: A Listing of Suppliers and Services. [Manila: s.n, 1974.

Citatione MLA (9a ed.)

Philippine Printing Technical Foundation. Graphic Arts Directory: A Listing of Suppliers and Services. s.n, 1974.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.