Gaya APA
Stage construction. (1979).
:
National Academy of Science.
Gaya Chicago
Stage construction.
.
:
National Academy of Science,
1979.
Text.
Gaya MLA
Stage construction.
.
:
National Academy of Science,
1979.
Text.
Gaya Turabian
Stage construction.
:
National Academy of Science,
1979.
Print.