APA
Langkaan II National High School, . (2009). Merriam Webster's Collegiate Dictionary Eleventh Edition. Springfield, Massachusetts,USA: Merriam - Webster, Incorporated.
Chicago
Langkaan II National High School, . 2009. Merriam Webster's Collegiate Dictionary Eleventh Edition. Springfield, Massachusetts,USA: Merriam - Webster, Incorporated.
Harvard
Langkaan II National High School, . (2009). Merriam Webster's Collegiate Dictionary Eleventh Edition. Springfield, Massachusetts,USA: Merriam - Webster, Incorporated.
MLA
Langkaan II National High School, . Merriam Webster's Collegiate Dictionary Eleventh Edition. Springfield, Massachusetts,USA: Merriam - Webster, Incorporated. 2009.