APA

United States, . (1987). Airframe and power plant mechanics certification information. [Washington, D.C: .

Chicago

United States, . 1987. Airframe and power plant mechanics certification information. [Washington, D.C: .

Harvard

United States, . (1987). Airframe and power plant mechanics certification information. [Washington, D.C: .

MLA

United States, . Airframe and power plant mechanics certification information. [Washington, D.C: . 1987.