Παραπομπή σε μορφή APA (7η εκδ.)

sack, K., & linsel, h. (1966). the connection between general and regional planning. the institute of national planning.

Παραπομπή σε μορφή Chicago (17η εκδ.)

sack, K., και hermann linsel. The Connection Between General and Regional Planning. cairo: the institute of national planning, 1966.

Παραπομπή σε μορφή MLA (9th εκδ.)

sack, K., και hermann linsel. The Connection Between General and Regional Planning. the institute of national planning, 1966.