Gaya APA

Parkins, R. (1968). Institution of Metallurgist, Modern Metallurgical Texts: No.5. Mechanical Treatment of Metals . New York: Elsevier.

Gaya MLA

Parkins, R.N.. "Institution of Metallurgist, Modern Metallurgical Texts: No.5. Mechanical Treatment of Metals". New York: Elsevier, 1968. Text.