Gaya APA
New Concept English : Fluency In English. (1978).
Yogyakarta:
Penerbit Kanisius.
Gaya Chicago
New Concept English : Fluency In English.
.
Yogyakarta:
Penerbit Kanisius,
1978.
Text.
Gaya MLA
New Concept English : Fluency In English.
.
Yogyakarta:
Penerbit Kanisius,
1978.
Text.
Gaya Turabian
New Concept English : Fluency In English.
Yogyakarta:
Penerbit Kanisius,
1978.
Print.