Gaya APA
Mukarto, M, D.
(2004).
English On Sky 1 For Junior High School Students 1;
.
Jakarta:
Erlangga.
Gaya MLA
Mukarto, M.SC,, Dkk.
"English On Sky 1 For Junior High School Students 1;".
Jakarta:
Erlangga,
2004.
Text.