Gaya APA

Abdullah, M, M, A, B. et al (2013). GEOPOLYMER AS GREEN CONSTRUCTION MATERIALS RESEARCH: Processing and Application . Germany: Lambert Academic Publishing.

Gaya MLA

Abdullah, Mohd, Mustafa, Al, Bakri. et al. "GEOPOLYMER AS GREEN CONSTRUCTION MATERIALS RESEARCH: Processing and Application". Germany: Lambert Academic Publishing, 2013. Text.