(1939). La vanguardia. [s.n.].
Chicago Style (17th ed.) CitationLa Vanguardia. Barcelona [Spain]: [s.n.], 1939.
MLA引文La Vanguardia. [s.n.], 1939.
警告：這些引文格式不一定是100％准確.
APA引文
(1939). La vanguardia. [s.n.].
Chicago Style (17th ed.) CitationLa Vanguardia. Barcelona [Spain]: [s.n.], 1939.
MLA引文La Vanguardia. [s.n.], 1939.