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Tohutoro APA (7th ed.)
McKenna, J. A., & Allen, N. (2010). Skycrane: Igor Sikorsky's last vision. American Institute of Aeronautics and Astronautics.
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Tohutoru Kātū Chicago (17th ed.)
McKenna, John A., me Ned Allen. Skycrane: Igor Sikorsky's Last Vision. Reston, Va.: American Institute of Aeronautics and Astronautics, 2010.
I tāruatia paitia ki te papatopenga
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Tohutoro MLA (9th ed.)
McKenna, John A., me Ned Allen. Skycrane: Igor Sikorsky's Last Vision. American Institute of Aeronautics and Astronautics, 2010.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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