Gaya APA
Kaunang-Roeroe, M, H. (1988).
The united states during the great depression of the thirties .
Jakarta:
P2LPTK.
Gaya MLA
Kaunang-Roeroe, Maria, H.E..
"The united states during the great depression of the thirties".
Jakarta:
P2LPTK,
1988.
Text.