APA引文

Verhofstadt, G. (1991). Burgermanifest. [S.l.]: [s.n.].

Chicago Style (17th ed.) Citation

Verhofstadt, Guy. Burgermanifest. [S.l.]: [s.n.], 1991.

MLA引文

Verhofstadt, Guy. Burgermanifest. [S.l.]: [s.n.], 1991.

警告:這些引文格式不一定是100%准確.