Office for Human Development and Claretian Office. (1990). Human work, human world, human development. Claretian Pub.
Chicago-Zitierstil (17. Ausg.)Office for Human Development and Claretian Office. Human Work, Human World, Human Development. Quezon City: Claretian Pub, 1990.
MLA-Zitierstil (9. Ausg.)Office for Human Development and Claretian Office. Human Work, Human World, Human Development. Claretian Pub, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.