APA (7e ed.) Bronvermelding

Maps.com (Firm) & ebrary, Inc. (2002). Oregon. Maps.com.

Chicago (17e ed.) Bronvermelding

Maps.com (Firm) en Inc ebrary. Oregon. [S.l.]: Maps.com, 2002.

MLA (9e ed.) Bronvermelding

Maps.com (Firm) en Inc ebrary. Oregon. Maps.com, 2002.