Gaya APA
Elvire, M.
(1987).
Graded Reading Series Nonfiction - Stage 4: Computers as Friends
.
Jakarta:
PT. Gramedia.
Gaya MLA
Elvire, Maria.
"Graded Reading Series Nonfiction - Stage 4: Computers as Friends".
Jakarta:
PT. Gramedia,
1987.
Text.