APA引文
Gustafsson, H. (1990). South African minerals. Nordiska Afrikainstitutet.
Chicago Style (17th ed.) Citation
Gustafsson, Hans. South African Minerals. Uppsala: Nordiska Afrikainstitutet, 1990.
MLA引文
Gustafsson, Hans. South African Minerals. Nordiska Afrikainstitutet, 1990.
警告:這些引文格式不一定是100%准確.