APA

United States, . (1981). Aviation mechanic - airframe written test guide. [Washington, D.C: .

Chicago

United States, . 1981. Aviation mechanic - airframe written test guide. [Washington, D.C: .

Harvard

United States, . (1981). Aviation mechanic - airframe written test guide. [Washington, D.C: .

MLA

United States, . Aviation mechanic - airframe written test guide. [Washington, D.C: . 1981.