Dyfyniad APA

Hawkins, N. (1902). Self-help mechanical drawing: An educational treatise. T. Audel & co..

Dyfyniad Arddull Chicago

Hawkins, N. Self-help Mechanical Drawing: An Educational Treatise. New York: T. Audel & co., 1902.

Dyfyniad MLA

Hawkins, N. Self-help Mechanical Drawing: An Educational Treatise. T. Audel & co., 1902.

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