APA (7th ed.) Citation

Philippines (Republic) Office of Manpower Service Division. (1957). Philippine occupational classification with titles, codes and definitions. Office of Manpower Service Division.

Chicago Style (17th ed.) Citation

Philippines (Republic) Office of Manpower Service Division. Philippine Occupational Classification with Titles, Codes and Definitions. Manila: Office of Manpower Service Division, 1957.

MLA (9th ed.) Citation

Philippines (Republic) Office of Manpower Service Division. Philippine Occupational Classification with Titles, Codes and Definitions. Office of Manpower Service Division, 1957.