APA (7th ed.) Citation

(1989). Blupages: Engineering & maintenance directory 1989-1990. Blupages International, Inc.

Chicago Style (17th ed.) Citation

Blupages: Engineering & Maintenance Directory 1989-1990. Quezon City: Blupages International, Inc, 1989.

MLA (9th ed.) Citation

Blupages: Engineering & Maintenance Directory 1989-1990. Blupages International, Inc, 1989.

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