Cita APA (7th ed.)

Philippine Islands . Bureau of Labor. (1926). Manual of the Bureau of labor. Bureau of Printing.

Cita Chicago (17th ed.)

Philippine Islands . Bureau of Labor. Manual of the Bureau of Labor. Manila: Bureau of Printing, 1926.

Cita MLA (9th ed.)

Philippine Islands . Bureau of Labor. Manual of the Bureau of Labor. Bureau of Printing, 1926.