APA (7e ed.) Bronvermelding

Williams, S. W. (1966). The Chinese commercial guide: Containing treatise, tariffs, regulations, tables etc. useful in the trade to China & Eastern Asia with an appendix of sailing directions for those seas and coasts (5th ed.). Ch'eng-Wen Pub. Co..

Chicago (17e ed.) Bronvermelding

Williams, S. Wells. The Chinese Commercial Guide: Containing Treatise, Tariffs, Regulations, Tables Etc. Useful in the Trade to China & Eastern Asia with an Appendix of Sailing Directions for Those Seas and Coasts. 5th ed. Taipei: Ch'eng-Wen Pub. Co., 1966.

MLA (8e ed.) Bronvermelding

Williams, S. Wells. The Chinese Commercial Guide: Containing Treatise, Tariffs, Regulations, Tables Etc. Useful in the Trade to China & Eastern Asia with an Appendix of Sailing Directions for Those Seas and Coasts. 5th ed. Ch'eng-Wen Pub. Co., 1966.