Gaya APA

Higgins, R, A. (1983). Engineering Metallurgy : applied physical metallurgy Part. 1 (5). Great Britain: english language book society/ Hodder.

Gaya MLA

Higgins, Raymond, A.. "Engineering Metallurgy : applied physical metallurgy Part. 1". 5 Great Britain: english language book society/ Hodder, 1983. Text.