Cita APA (7a ed.)

(1982). National directory of architects in the Philippines, 1921-1982. s.n.

Cita Chicago Style (17a ed.)

National Directory of Architects in the Philippines, 1921-1982. [S.l: s.n, 1982.

Cita MLA (9a ed.)

National Directory of Architects in the Philippines, 1921-1982. s.n, 1982.