Gaya APA
Alexander, L. (1992).
First Things First : An Integrated Course For Beninners (Forteent 1992).
Yogyakarta:
Penerbit Kanisius.
Gaya MLA
Alexander, L.G..
"First Things First : An Integrated Course For Beninners".
Forteent 1992
Yogyakarta:
Penerbit Kanisius,
1992.
Text.