Philippine Printing Technical Foundation. (1990). Graphic arts directory. Published by the Philippine Printing Technical Foundation.
Chicagoスタイル(17版)引用形式Philippine Printing Technical Foundation. Graphic Arts Directory. Manila: Published by the Philippine Printing Technical Foundation, 1990.
MLA(9版)引用形式Philippine Printing Technical Foundation. Graphic Arts Directory. Published by the Philippine Printing Technical Foundation, 1990.
警告: この引用は必ずしも正確ではありません.