Gaya APA
Guided english workbook 3. (1973).
tempaterbit:
penerbit.
Gaya Chicago
Guided english workbook 3.
Edisi.
tempaterbit:
penerbit,
1973.
Text.
Gaya MLA
Guided english workbook 3.
Edisi.
tempaterbit:
penerbit,
1973.
Text.
Gaya Turabian
Guided english workbook 3.
tempaterbit:
penerbit,
1973.
Print.