Cita APA (7th ed.)

The Economic Monitor. (1977). Bureau of Posts diamond jubilee: 1902-1977. [Economic Pub.].

Cita Chicago (17th ed.)

The Economic Monitor. Bureau of Posts Diamond Jubilee: 1902-1977. Manila: [Economic Pub.], 1977.

Cita MLA (9th ed.)

The Economic Monitor. Bureau of Posts Diamond Jubilee: 1902-1977. [Economic Pub.], 1977.