1. Appadurai, A. (Ed.) (1986), The Social Life of Things: Commodities in Cultural Perspectives, Cambridge University Press, Cambridge.
2. The impact of Guan-spice on the socio-economy in the area South of the five ridges;Journal of Shenzhen University,2008
3. Cheung, Y.N. (張月娥) (1959), “The cultivation and export of incense products from Hong Kong Villages and Kowloon New Territories (香港村與九龍新界等地香品之種植與出口)”, Prehistory of Hong Kong – Hong Kong and its External Transport Before 1842 (一八四二年以前之香港及其對外交通-香港前代史-), edited by Luo, X.L. (羅香林) (Ed.), Hong Kong: Society of Chinese Studies (中國學社), pp. 109-128, (in Chinese).
4. The odor of the other: olfactory symbolism and cultural categories;Ethos,1992
5. Drobnik, J. (Ed.) (2006), The Smell Culture Reader, Berg, Oxford.