Gaya APA
Wallbank, T, W, , D. (1970).
Civilization past & present, book 2: 1300 to 1815. Cet.I 1960 .
Glenview:
Glenview Scott.
Gaya MLA
Wallbank, T., Walter, , Dll..
"Civilization past & present, book 2: 1300 to 1815. Cet.I 1960 ".
Glenview:
Glenview Scott,
1970.
Buku.