Gaya APA
BEHRENS, W. (1991).
Manuals for the praparation of industrial feassibility studies .
Vlenna:
UNIDO.
Gaya Chicago
BEHRENS, W.
Manuals for the praparation of industrial feassibility studies.
Vlenna:
UNIDO,
1991.
Text.
Gaya MLA
BEHRENS, W.
Manuals for the praparation of industrial feassibility studies.
Vlenna:
UNIDO,
1991.
Text.
Gaya Turabian
BEHRENS, W.
Manuals for the praparation of industrial feassibility studies.
Vlenna:
UNIDO,
1991.
Print.