Cita APA (7th ed.)

(1977). Handbook on international radio regulations (1977 ed.). Central Lawbook Pub. Co.

Cita Chicago (17th ed.)

Handbook on International Radio Regulations. 1977 ed. Quezon City: Central Lawbook Pub. Co, 1977.

Cita MLA (9th ed.)

Handbook on International Radio Regulations. 1977 ed. Central Lawbook Pub. Co, 1977.