Gaya APA
Macmillan, C. (1993).
English 900 : book 5 (unit 1-5) .
New York:
Maxwell Macmillan International Publ.Group.
Gaya MLA
Macmillan, Collier.
"English 900 : book 5 (unit 1-5)".
New York:
Maxwell Macmillan International Publ.Group,
1993.
Sound Recording.