(2007). Book Publishing Industry Development Act (RA 8047) & rules and regulations. National Book Development Board.
Chicago-referens (17:e uppl.)Book Publishing Industry Development Act (RA 8047) & Rules and Regulations. Quezon City: National Book Development Board, 2007.
MLA-referens (9:e uppl.)Book Publishing Industry Development Act (RA 8047) & Rules and Regulations. National Book Development Board, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.