Harvard:
Haas, M.R. and Subhanka, H.R. xxxx, "Spoken Thai",
APA:
Haas, M.R. and Subhanka, H.R. (xxxx). Spoken Thai. .
Chicago:
Haas, Mary Rosamond and Heng R Subhanka. xxxx. "Spoken Thai." .
MLA:
Haas, Mary Rosamond and Heng R Subhanka. "Spoken Thai." (xxxx): .
Citation within the text:
(Haas & Subhanka xxxx)
Zotero:
Save reference in Zotero
BibTeX:
@article{haasxxxxspoken,
  title = {Spoken Thai},
  author = {HAAS, Mary Rosamond and SUBHANKA, Heng R},
  year = {xxxx},
  keywords = {Thailand;Language},
  BAS = {229660},
  source = {bas},
}