老面. (2009). 一杯咖啡的时光: What's in a cup of coffee. 山西经济出版社.
Chicago Style aipamena老面. 一杯咖啡的时光: What's in a Cup of Coffee. 山西经济出版社, 2009.
MLA aipamena老面. 一杯咖啡的时光: What's in a Cup of Coffee. 山西经济出版社, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.