Gaya APA
DON W. DUCKSN, JR. (1999).
EXERCISES IN PHYSICAL GEOGRAPHY-G (THIRD EDITION).
AMERIKA SERIKAT:
WCB/MCGRAW-HILL.
Gaya Chicago
DON W. DUCKSN, JR.
EXERCISES IN PHYSICAL GEOGRAPHY-G.
THIRD EDITION
AMERIKA SERIKAT:
WCB/MCGRAW-HILL,
1999.
TEXT.
Gaya MLA
DON W. DUCKSN, JR.
EXERCISES IN PHYSICAL GEOGRAPHY-G.
THIRD EDITION
AMERIKA SERIKAT:
WCB/MCGRAW-HILL,
1999.
TEXT.
Gaya Turabian
DON W. DUCKSN, JR.
EXERCISES IN PHYSICAL GEOGRAPHY-G.
THIRD EDITION
AMERIKA SERIKAT:
WCB/MCGRAW-HILL,
1999.
TEXT.