Gaya APA

Cogill, W. H.. (1966). The Viscosity of Cutback Bituminous Substances . : s.n..

Gaya Chicago

Cogill, W. H.. The Viscosity of Cutback Bituminous Substances. : s.n., 1966. Text.

Gaya MLA

Cogill, W. H.. The Viscosity of Cutback Bituminous Substances. : s.n., 1966. Text.

Gaya Turabian

Cogill, W. H.. The Viscosity of Cutback Bituminous Substances. : s.n., 1966. Print.