APA (7th ed.) Citation

Chamber of Commerce of the Philippines. (1973). Trade directory, 1973-. Chamber of Commerce of the Philippines.

Chicago Style (17th ed.) Citation

Chamber of Commerce of the Philippines. Trade Directory, 1973-. [Manila]: Chamber of Commerce of the Philippines, 1973.

MLA (9th ed.) Citation

Chamber of Commerce of the Philippines. Trade Directory, 1973-. Chamber of Commerce of the Philippines, 1973.

Warning: These citations may not always be 100% accurate.