Harvard:
Khanthamphan, S. 1997, "The characteristics of orthographic errors in Thai adults of the age of 18-20 years", in Science of language, vol. 9, pp. 16-50.
APA:
Khanthamphan, S. (1997). The characteristics of orthographic errors in Thai adults of the age of 18-20 years. Science of language, 9, 16-50.
Chicago:
Khanthamphan, Sunthari. 1997. "The Characteristics of Orthographic Errors in Thai Adults of the Age of 18-20 Years." In Science of language, 9: 16-50.
MLA:
Khanthamphan, Sunthari. "The Characteristics of Orthographic Errors in Thai Adults of the Age of 18-20 Years." Science of language. 9. (1997): 16-50.
Citation within the text:
(Khanthamphan 1997)
Zotero:
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BibTeX:
@article{khanthamphan1997characteristics,
  author = {Khanthamphan, Sunthari},
  title = {The characteristics of orthographic errors in Thai adults of the age of 18-20 years},
  journal = {Science of language},
  volume = {9},
  year = {1997},
  pages = {16-50},
  source = {BL},
}