Gaya APA
Aalami, B, O. et al (1990).
PTI Earthquake Performance Of Unbonded Post Tensioned Buildings .
Farmington Hills:
Post tensioning institute.
Gaya MLA
Aalami, Bijan, O. et al.
"PTI Earthquake Performance Of Unbonded Post Tensioned Buildings".
Farmington Hills:
Post tensioning institute,
1990.
Text.