Gaya APA
Robins, R.H.. (1989).
General linguistics : an introductory survey (4th ed).
London:
Longman.
Gaya Chicago
Robins, R.H..
General linguistics : an introductory survey.
4th ed
London:
Longman,
1989.
Text.
Gaya MLA
Robins, R.H..
General linguistics : an introductory survey.
4th ed
London:
Longman,
1989.
Text.
Gaya Turabian
Robins, R.H..
General linguistics : an introductory survey.
4th ed
London:
Longman,
1989.
Print.