Harvard:
Tsou, S.L. xxxx, "Teach yourself living Mandarin",
APA:
Tsou, S.L. (xxxx). Teach yourself living Mandarin. .
Chicago:
Tsou, Sarah Lu. xxxx. "Teach Yourself Living Mandarin." .
MLA:
Tsou, Sarah Lu. "Teach Yourself Living Mandarin." (xxxx): .
Citation within the text:
(Tsou xxxx)
Zotero:
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BibTeX:
@article{tsouxxxxteach,
  title = {Teach yourself living Mandarin},
  author = {TSOU, Sarah Lu},
  year = {xxxx},
  keywords = {China;Language;Study & Teaching},
  BAS = {619834},
  source = {bas},
}