You can write Cantonese, although most Cantonese speakers' "formal" written language is more closely related to spoken Mandarin (Modern Standard Chinese) than t

You can write Cantonese, although most Cantonese speakers' "formal" written language is more closely related to spoken Mandarin (Modern Standard Chinese) than to the way they normally speak. I recommend "Cantonese as Written Language: The Growth of a Written Chinese Vernacular" by Don Snow.