APA
Bacatan A. T., . (2011). Analysis of Polyethylene terephthalate as an added aggregate for concrete hollow blocks. [Place of publication not identified]: [Publisher not identified].
Chicago
Bacatan Artem T, . 2011. Analysis of Polyethylene terephthalate as an added aggregate for concrete hollow blocks. [Place of publication not identified]: [Publisher not identified].
Harvard
Bacatan A. T., . (2011). Analysis of Polyethylene terephthalate as an added aggregate for concrete hollow blocks. [Place of publication not identified]: [Publisher not identified].
MLA
Bacatan Artem T, . Analysis of Polyethylene terephthalate as an added aggregate for concrete hollow blocks. [Place of publication not identified]: [Publisher not identified]. 2011.