Παραπομπή σε μορφή APA (7η εκδ.)

Sweet's Catalog Service. Plant engineering file. Sweet's Catalog Service.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sweet's Catalog Service. Plant Engineering File. New York: Sweet's Catalog Service.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sweet's Catalog Service. Plant Engineering File. Sweet's Catalog Service.