APA Style
Progressive Architecture /Mei 1991. (1991).
Stamford:
Penton Education Division.
Chicago Style
Progressive Architecture /Mei 1991.
.
Stamford:
Penton Education Division,
1991.
.
MLA Style
Progressive Architecture /Mei 1991.
.
Stamford:
Penton Education Division,
1991.
.
Turabian Style
Progressive Architecture /Mei 1991.
Stamford:
Penton Education Division,
1991.
.