Cunningham, J. (1968). Tongue and groove plastic PVC glazing block for building finish.
Chicago Style (17th ed.) CitationCunningham, J.E. Tongue and Groove Plastic PVC Glazing Block for Building Finish. National Research Council. Industrial Engineering Section, 1968.
MLA (9th ed.) CitationCunningham, J.E. Tongue and Groove Plastic PVC Glazing Block for Building Finish. 1968.
Warning: These citations may not always be 100% accurate.