Gaya APA
Purwoko, Herudjati. (2002).
Stepping Stone : English for Junior High School Grade 2 .
:
Esis.
Gaya Chicago
Purwoko, Herudjati.
Stepping Stone : English for Junior High School Grade 2.
:
Esis,
2002.
Buku Pelajaran.
Gaya MLA
Purwoko, Herudjati.
Stepping Stone : English for Junior High School Grade 2.
:
Esis,
2002.
Buku Pelajaran.
Gaya Turabian
Purwoko, Herudjati.
Stepping Stone : English for Junior High School Grade 2.
:
Esis,
2002.
Buku Pelajaran.