APA (7e ed.) Bronvermelding

Catholic Truth Society of Oregon. Catholic contributions to human progress. Catholic Truth Society of Oregon.

Chicago (17e ed.) Bronvermelding

Catholic Truth Society of Oregon. Catholic Contributions to Human Progress. Portland, Ore.: Catholic Truth Society of Oregon.

MLA (8e ed.) Bronvermelding

Catholic Truth Society of Oregon. Catholic Contributions to Human Progress. Catholic Truth Society of Oregon.

Let op: Deze citaties zijn niet altijd 100% accuraat.