getting visa for hongkong n macau.

I am from foreign student studying in beijing. I am from republic of maldives. iI am planning to visit Hongkong, Macau and Guangzhou. for the visa application so far i have know we need return ticket and hotel accommodation arranged documents. but since i am entering into HK and going to Macau by turbo jet there wont be any return ticket. same problem may occur when i enter in to Macau because im going to Guanzhou. So please tell me how to tackle the return ticket issue.