Cita APA (7a ed.)

International Labour Office & ebrary, Inc. (2011). Manual on the measurement of volunteer work. International Labour Office.

Cita Chicago Style (17a ed.)

International Labour Office y Inc ebrary. Manual on the Measurement of Volunteer Work. Genève, Switzerland: International Labour Office, 2011.

Cita MLA (9a ed.)

International Labour Office y Inc ebrary. Manual on the Measurement of Volunteer Work. International Labour Office, 2011.