Kreh, R. T. (1998). Masonry skills (4th ed.). Delmar Publishers.
Chicago Style (17th ed.) CitationKreh, R. T. Masonry Skills. 4th ed. Albany, N.Y.: Delmar Publishers, 1998.
MLA (9th ed.) CitationKreh, R. T. Masonry Skills. 4th ed. Delmar Publishers, 1998.
Warning: These citations may not always be 100% accurate.