Gaya APA
Roberts, Carin L, Wollmann, Gregor P. (2000).
PTI Anchorage Zone Design .
Phoenix:
Post tensioning institute.
Gaya Chicago
Roberts, Carin L, Wollmann, Gregor P.
PTI Anchorage Zone Design.
Phoenix:
Post tensioning institute,
2000.
Text.
Gaya MLA
Roberts, Carin L, Wollmann, Gregor P.
PTI Anchorage Zone Design.
Phoenix:
Post tensioning institute,
2000.
Text.
Gaya Turabian
Roberts, Carin L, Wollmann, Gregor P.
PTI Anchorage Zone Design.
Phoenix:
Post tensioning institute,
2000.
Print.