Gaya APA
Ency, The. (1998).
Encyclopedi Americana Volume 21 (Volume 21).
USA:
Grolier Incorpoated.
Gaya Chicago
Ency, The.
Encyclopedi Americana Volume 21.
Volume 21
USA:
Grolier Incorpoated,
1998.
Text.
Gaya MLA
Ency, The.
Encyclopedi Americana Volume 21.
Volume 21
USA:
Grolier Incorpoated,
1998.
Text.
Gaya Turabian
Ency, The.
Encyclopedi Americana Volume 21.
Volume 21
USA:
Grolier Incorpoated,
1998.
Print.