Day Richard & Clark, H. (1974). The home owner handbook of concrete and masonry. Bounty Books.
Cita Chicago (17th ed.)Day Richard i Henry Clark. The Home Owner Handbook of Concrete and Masonry. New York: Bounty Books, 1974.
Cita MLA (9th ed.)Day Richard i Henry Clark. The Home Owner Handbook of Concrete and Masonry. Bounty Books, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.