Cita APA (7a ed.)

Harberger, A. C. (1971). On measuring the social opportunity cost of labour. International Labour Organization.

Cita Chicago Style (17a ed.)

Harberger, A. C. On Measuring the Social Opportunity Cost of Labour. International Labour Organization, 1971.

Cita MLA (9a ed.)

Harberger, A. C. On Measuring the Social Opportunity Cost of Labour. International Labour Organization, 1971.