Gaya APA
Cornog, M, W. (2010).
Merriam-Webster's vocabulary builder second edition (second edition).
Massachusetts:
Merriam-Webster Incorporated.
Gaya MLA
Cornog, Mary, Wood.
"Merriam-Webster's vocabulary builder second edition".
second edition
Massachusetts:
Merriam-Webster Incorporated,
2010.
Text.