Wong, L. W. (2017). Charles Gutzlaff (1803-1851) and the first opium war. Journal of English Studies and Comparative Literature.
Citazione stile Chigago Style (17a edizione)Wong, Lawrence Wang-chi. "Charles Gutzlaff (1803-1851) and the First Opium War." Journal of English Studies and Comparative Literature 2017.
Citatione MLA (9a ed.)Wong, Lawrence Wang-chi. "Charles Gutzlaff (1803-1851) and the First Opium War." Journal of English Studies and Comparative Literature, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.