APA引文

Carvalho, R. d. (2003). As origens de Portugal. FCG.

Chicago Style (17th ed.) Citation

Carvalho, Rómulo de. As Origens De Portugal. FCG, 2003.

MLA引文

Carvalho, Rómulo de. As Origens De Portugal. FCG, 2003.

警告：這些引文格式不一定是100％准確.