Παραπομπή σε μορφή APA (7η εκδ.)

National Bituminous Concrete Association (U.S.). Quality Improvement Program. (1961). QUIPS: Quality Improvement Program synopsis. National Bituminous Concrete Association.

Παραπομπή σε μορφή Chicago (17η εκδ.)

National Bituminous Concrete Association (U.S.). Quality Improvement Program. QUIPS: Quality Improvement Program Synopsis. College Station, Tex.: National Bituminous Concrete Association, 1961.

Παραπομπή σε μορφή MLA (8th εκδ.)

National Bituminous Concrete Association (U.S.). Quality Improvement Program. QUIPS: Quality Improvement Program Synopsis. National Bituminous Concrete Association, 1961.