Dyfyniad APA

Indiana University Center on Philanthropy & Indiana Donors Alliance. (1992). Indiana gives: Volunteering and giving in Indiana, 1991. The Center.

Dyfyniad Arddull Chicago

Indiana University Center on Philanthropy and Indiana Donors Alliance. Indiana Gives: Volunteering and Giving in Indiana, 1991. Indianapolis, Indiana: The Center, 1992.

Dyfyniad MLA

Indiana University Center on Philanthropy and Indiana Donors Alliance. Indiana Gives: Volunteering and Giving in Indiana, 1991. The Center, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.