Harvard:
Tickoo, M.L. xxxx, "Learners' dictionaries: state of the art",
APA:
Tickoo, M.L. (xxxx). Learners' dictionaries: state of the art. .
Chicago:
Tickoo, Makhan L. xxxx. "Learners' Dictionaries: State of the Art." .
MLA:
Tickoo, Makhan L. "Learners' Dictionaries: State of the Art." (xxxx): .
Citation within the text:
(Tickoo xxxx)
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BibTeX:
@article{tickooxxxxlearners,
  title = {Learners' dictionaries: state of the art},
  author = {TICKOO, Makhan L.},
  year = {xxxx},
  address = {RELC P360-89.},
  keywords = {Southeast Asia;Language;Lexicography;Study & Teaching},
  x-extra = {RELC P360-89.},
  BAS = {611062},
  source = {bas},
}