Gaya APA
Hariyono, Rudy. (2002).
Easy Way to English .
Surabaya:
Gitamedia Press.
Gaya Chicago
Hariyono, Rudy.
Easy Way to English.
Surabaya:
Gitamedia Press,
2002.
Text.
Gaya MLA
Hariyono, Rudy.
Easy Way to English.
Surabaya:
Gitamedia Press,
2002.
Text.
Gaya Turabian
Hariyono, Rudy.
Easy Way to English.
Surabaya:
Gitamedia Press,
2002.
Print.