Gaya APA

Suarez, M, G., Poston, R, W. (1990). PTI Evaluation Of The Condition Of A Post-Tensioned Concrete Parking Structure After 15 Years Of Service . Phoenix: Post tensioning institute.

Gaya MLA

Suarez, Mario, G., Poston, Randall, W.. "PTI Evaluation Of The Condition Of A Post-Tensioned Concrete Parking Structure After 15 Years Of Service". Phoenix: Post tensioning institute, 1990. Text.