Gaya APA
Elvire, Maria. (1987).
Computers as Friends - Stage 4 (stage 4).
Jakarta:
PT Gramedia Pustaka Utama.
Gaya Chicago
Elvire, Maria.
Computers as Friends - Stage 4.
stage 4
Jakarta:
PT Gramedia Pustaka Utama,
1987.
Text.
Gaya MLA
Elvire, Maria.
Computers as Friends - Stage 4.
stage 4
Jakarta:
PT Gramedia Pustaka Utama,
1987.
Text.
Gaya Turabian
Elvire, Maria.
Computers as Friends - Stage 4.
stage 4
Jakarta:
PT Gramedia Pustaka Utama,
1987.
Print.