Gaya APA
Riyanto, Slamet. (2008).
English Vocabs: The Most Frequently Used In The World (Ed.1).
Yogyakarta:
Pustaka Pelajar.
Gaya Chicago
Riyanto, Slamet.
English Vocabs: The Most Frequently Used In The World.
Ed.1
Yogyakarta:
Pustaka Pelajar,
2008.
Text.
Gaya MLA
Riyanto, Slamet.
English Vocabs: The Most Frequently Used In The World.
Ed.1
Yogyakarta:
Pustaka Pelajar,
2008.
Text.
Gaya Turabian
Riyanto, Slamet.
English Vocabs: The Most Frequently Used In The World.
Ed.1
Yogyakarta:
Pustaka Pelajar,
2008.
Print.