¼¾ÏÛÁÖ. (2020). ¼¾ÏÛÁÖ È˼äËêÔ³¤: Human world years. ÖйúÖ¹«³ö°æÉç.
Chicago Style (17th ed.) Citation¼¾ÏÛÁÖ. ¼¾ÏÛÁÖ È˼äËêÔ³¤: Human World Years. ÖйúÖ¹«³ö°æÉç, 2020.
MLA引文¼¾ÏÛÁÖ. ¼¾ÏÛÁÖ È˼äËêÔ³¤: Human World Years. ÖйúÖ¹«³ö°æÉç, 2020.
警告：这些引文格式不一定是100％准确.