APA

birch n., bramson a., . (1980). emergency procedures for pilots. london: pitman.

Chicago

birch n.h, bramson a.e, . 1980. emergency procedures for pilots. london: pitman.

Harvard

birch n., bramson a., . (1980). emergency procedures for pilots. london: pitman.

MLA

birch n.h, bramson a.e, . emergency procedures for pilots. london: pitman. 1980.