Dyfyniad APA

Crawford, R. (1992). Rotational moulding of plastics. Research studies Press.

Dyfyniad Arddull Chicago

Crawford, R.J. Rotational Moulding of Plastics. England: Research studies Press, 1992.

Dyfyniad MLA

Crawford, R.J. Rotational Moulding of Plastics. Research studies Press, 1992.

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