Duller, H. J. (1982). Development technology. Routledge & K. Paul.
Tohutoru Kātū Chicago (17th ed.)Duller, H. J. Development Technology. London ; Boston: Routledge & K. Paul, 1982.
Tohutoro MLA (9th ed.)Duller, H. J. Development Technology. Routledge & K. Paul, 1982.
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