Gaya APA
Incorporated, G. (1990).
The new book of knowledge annual 1990 : the young peoples book of the year .
Connecticut:
Grolier Incorporated.
Gaya MLA
Incorporated, GROILER.
"The new book of knowledge annual 1990 : the young peoples book of the year".
Connecticut:
Grolier Incorporated,
1990.
Text.