Cita APA (7th ed.)

Roces, J. (1986). Philippine almanac: Book of facts (1986- ed.). Aurora Pub.

Cita Chicago (17th ed.)

Roces, Joaquin. Philippine Almanac: Book of Facts. 1986- ed. [Manilan]: Aurora Pub, 1986.

Cita MLA (9th ed.)

Roces, Joaquin. Philippine Almanac: Book of Facts. 1986- ed. Aurora Pub, 1986.