International Labour Office & ebrary, Inc. (2011). Manual on the measurement of volunteer work. International Labour Office.
Style de citation Chicago (17e éd.)International Labour Office et Inc ebrary. Manual on the Measurement of Volunteer Work. Genève, Switzerland: International Labour Office, 2011.
Style de citation MLA (9e éd.)International Labour Office et Inc ebrary. Manual on the Measurement of Volunteer Work. International Labour Office, 2011.
Attention : ces citations peuvent ne pas être correctes à 100%.