Gaya APA
Stone, Linton. (1967).
Cambridge Proficiency English .
London:
Macmillan Education.
Gaya Chicago
Stone, Linton.
Cambridge Proficiency English.
London:
Macmillan Education,
1967.
Text.
Gaya MLA
Stone, Linton.
Cambridge Proficiency English.
London:
Macmillan Education,
1967.
Text.
Gaya Turabian
Stone, Linton.
Cambridge Proficiency English.
London:
Macmillan Education,
1967.
Print.