Hampdem Engineering Corporation. (1971). Student laboratory experiments for hampden bulletin 120 universal laboratory machine. Hampden Engineering Corporation.
Citazione stile Chigago Style (17a edizione)Hampdem Engineering Corporation. Student Laboratory Experiments for Hampden Bulletin 120 Universal Laboratory Machine. East Longmeadow: Hampden Engineering Corporation, 1971.
Citatione MLA (9a ed.)Hampdem Engineering Corporation. Student Laboratory Experiments for Hampden Bulletin 120 Universal Laboratory Machine. Hampden Engineering Corporation, 1971.
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