APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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