Gaya APA
Herudjati, P. (2002).
Stepping Stone (English For Junior High School Grade 2) (I).
Jakarta.:
Penerbit Erlangga.
Gaya MLA
Herudjati, Purwoko.
"Stepping Stone (English For Junior High School Grade 2)".
I
Jakarta.:
Penerbit Erlangga,
2002.
Text.