Gaya APA
Internat, T, U, O.
(1986).
Encyclopedia of World Problems and Human Potential
.
Jerman:
K.G. Saur Verlag.
Gaya MLA
Internat, Tim, Union, Of.
"Encyclopedia of World Problems and Human Potential".
Jerman:
K.G. Saur Verlag,
1986.
Text.