APA引文

Saraiva, J. H. (1996). Portugal. Mobil Oil Portuguesa.

Chicago Style (17th ed.) Citation

Saraiva, José Hermano. Portugal. Mobil Oil Portuguesa, 1996.

MLA引文

Saraiva, José Hermano. Portugal. Mobil Oil Portuguesa, 1996.

警告：这些引文格式不一定是100％准确.