The New encyclopaedia Britannica : volume 28, macropaedia knowledge in depth
Encyclopaedia Britannica Inc., 1998
 Buku Referensi
The New encyclopaedia Britannica : volume 27, macropaedia knowledge in depth
Encyclopaedia Britannica Inc., 1998
 Buku Referensi
The New Encyclopaedia Britannica : volume 19, micropaedia konowledge in depth
Encyclopaedia Britannica Inc., 2002
 Buku Referensi
The New Encyclopaedia Britannica : volume 19
Encyclopaedia Britannica Inc., 2003
 Buku Referensi
The New Encyclopaedia Britannica : volume 19
Encyclopaedia Britannica Inc., 1978
 Buku Referensi
<<   3 4 5   >>