Barca, S. History: Stefania Barca. Keywords for environmental studies.([2016]).
Chicago-Zitierstil (17. Ausg.)Barca, Stefania. "History: Stefania Barca." Keywords for Environmental Studies.([2016]) .
MLA-Zitierstil (8. Ausg.)Barca, Stefania. "History: Stefania Barca." Keywords for Environmental Studies.([2016]), .
警告:這些引文格式不一定是100%准確.