Gaya APA
Caldwell, E. (2009).
Berhenti merokok (= How you can stop smoking permanently; 2001) .
Yogyakarta:
Pustaka Popular.
Gaya MLA
Caldwell, Ernest.
"Berhenti merokok (= How you can stop smoking permanently; 2001)".
Yogyakarta:
Pustaka Popular,
2009.
Text.