Watson, J. A. (1979). Roofing systems: Materials and application. Reston.
Chicago Style (17th ed.) CitationWatson, John A. Roofing Systems: Materials and Application. Reston, Va: Reston, 1979.
MLA (9th ed.) CitationWatson, John A. Roofing Systems: Materials and Application. Reston, 1979.
Warning: These citations may not always be 100% accurate.