APA Style
Ubol, Charas. (1981).
An Error Analysis of English Compositions by Thai Students (Occasional Papers No.16).
Singapura:
SEAMEO Regional Language Centre.
Chicago Style
Ubol, Charas.
An Error Analysis of English Compositions by Thai Students.
Occasional Papers No.16
Singapura:
SEAMEO Regional Language Centre,
1981.
Text.
MLA Style
Ubol, Charas.
An Error Analysis of English Compositions by Thai Students.
Occasional Papers No.16
Singapura:
SEAMEO Regional Language Centre,
1981.
Text.
Turabian Style
Ubol, Charas.
An Error Analysis of English Compositions by Thai Students.
Occasional Papers No.16
Singapura:
SEAMEO Regional Language Centre,
1981.
Print.