Gaya APA

Olin, F, E, A, M, H, S, C, I, H, L, &, R, L. (1971). Engineering Graphics (--). London: macmilan publishing company.

Gaya MLA

Olin, Frederick, E.Gieseck,, Alva, Mitchell,, Henry, Sepencer, Cecil,, Ivan, Hill, Leroy, &, Robert, Loving. "Engineering Graphics". -- London: macmilan publishing company, 1971. Text.