Παραπομπή σε μορφή APA (7η εκδ.)

Angel, S. (1969). Point patterns in urban regions: Tow complementary tests. Center for Planning and Development Research, University of California.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Angel, Shlomo. Point Patterns in Urban Regions: Tow Complementary Tests. Berkeley: Center for Planning and Development Research, University of California, 1969.

Παραπομπή σε μορφή MLA (9th εκδ.)

Angel, Shlomo. Point Patterns in Urban Regions: Tow Complementary Tests. Center for Planning and Development Research, University of California, 1969.