Cita APA (7th ed.)

International Labor Office. (1954). International stanford classification of occupations: Minor groups. s.n.

Cita Chicago (17th ed.)

International Labor Office. International Stanford Classification of Occupations: Minor Groups. Geneva: s.n, 1954.

Cita MLA (9th ed.)

International Labor Office. International Stanford Classification of Occupations: Minor Groups. s.n, 1954.