Gregory, T. C. (1939). Uses and applications of chemicals and related materials: A guide to their current industrial uses; potential applications and sales possibilities of 5167 products. Reinhold Publishing.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումGregory, Thomas C. Uses and Applications of Chemicals and Related Materials: A Guide to Their Current Industrial Uses; Potential Applications and Sales Possibilities of 5167 Products. New York: Reinhold Publishing, 1939.
MLA (9րդ խմբ.) ՄեջբերումGregory, Thomas C. Uses and Applications of Chemicals and Related Materials: A Guide to Their Current Industrial Uses; Potential Applications and Sales Possibilities of 5167 Products. Reinhold Publishing, 1939.
Զգուշացում. այս մեջբերումները միշտ չէ, որ կարող են 100% ճշգրիտ լինել.