APA (7. basım) Alıntı
International Labour Office & ebrary, Inc. (2011). Manual on the measurement of volunteer work. International Labour Office.
Chicago Style (17. basım) Atıf
International Labour Office ve Inc ebrary. Manual on the Measurement of Volunteer Work. Genève, Switzerland: International Labour Office, 2011.
MLA (9th ed.) Atıf
International Labour Office ve Inc ebrary. Manual on the Measurement of Volunteer Work. International Labour Office, 2011.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..