Cita APA (7th ed.)

Labrador, V. S., & Galace, P. I. (2005). Heavens fill with commerce: A brief history of the communications satellite industry. SATNEWS Publishers.

Cita Chicago (17th ed.)

Labrador, Virgil S., i Peter I. Galace. Heavens Fill with Commerce: A Brief History of the Communications Satellite Industry. West Covina, Calif: SATNEWS Publishers, 2005.

Cita MLA (9th ed.)

Labrador, Virgil S., i Peter I. Galace. Heavens Fill with Commerce: A Brief History of the Communications Satellite Industry. SATNEWS Publishers, 2005.