Gaya APA
WALLBANK,T.Walter. (1971).
Civilization: Past & Present (4th.ed).
Dallas:
Scott foresman and company.
Gaya Chicago
WALLBANK,T.Walter.
Civilization: Past & Present.
4th.ed
Dallas:
Scott foresman and company,
1971.
Teks.
Gaya MLA
WALLBANK,T.Walter.
Civilization: Past & Present.
4th.ed
Dallas:
Scott foresman and company,
1971.
Teks.
Gaya Turabian
WALLBANK,T.Walter.
Civilization: Past & Present.
4th.ed
Dallas:
Scott foresman and company,
1971.
Teks.