Gaya APA
Ehrlich, Eugene. (2004).
Schaum's otlines english grammar : Eugene Ehrlich (Ed. 3).
Jakarta:
Erlangga.
Gaya Chicago
Ehrlich, Eugene.
Schaum's otlines english grammar : Eugene Ehrlich.
Ed. 3
Jakarta:
Erlangga,
2004.
Buku.
Gaya MLA
Ehrlich, Eugene.
Schaum's otlines english grammar : Eugene Ehrlich.
Ed. 3
Jakarta:
Erlangga,
2004.
Buku.
Gaya Turabian
Ehrlich, Eugene.
Schaum's otlines english grammar : Eugene Ehrlich.
Ed. 3
Jakarta:
Erlangga,
2004.
Buku.