APA (7th ed.) Citation

Manapat, R. (1990). Wrong number: The PLDT telephone monopoly. s.n.

Chicago Style (17th ed.) Citation

Manapat, Ricardo. Wrong Number: The PLDT Telephone Monopoly. [S.l: s.n, 1990.

MLA (9th ed.) Citation

Manapat, Ricardo. Wrong Number: The PLDT Telephone Monopoly. s.n, 1990.