Gaya APA
MANUAL ON FOUNDATION INVESTIGATIONS. (1967).
:
.
Gaya Chicago
MANUAL ON FOUNDATION INVESTIGATIONS.
.
:
,
1967.
Text.
Gaya MLA
MANUAL ON FOUNDATION INVESTIGATIONS.
.
:
,
1967.
Text.
Gaya Turabian
MANUAL ON FOUNDATION INVESTIGATIONS.
:
,
1967.
Print.