Perez, R. (1989). Creativity beyond limits: The 11th Philippine Advertising Congress. [publisher not identified].
芝加哥风格引文Perez, Resty. Creativity Beyond Limits: The 11th Philippine Advertising Congress. [Place of publication not identified]: [publisher not identified], 1989.
MLA引文Perez, Resty. Creativity Beyond Limits: The 11th Philippine Advertising Congress. [publisher not identified], 1989.
警告：这些引文格式不一定是100％准确.