एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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