Gaya APA
Alexander, L, G. (1975).
Developing Skills An Intergrated Course For Intermediate Students (1).
Yogyakarta:
Penerbit Kanisius.
Gaya MLA
Alexander, L., G..
"Developing Skills An Intergrated Course For Intermediate Students".
1
Yogyakarta:
Penerbit Kanisius,
1975.
Text.