Gaya APA

LTD, B, C, (, P. (1982). Butterworths Technical, Science and Social Science Catalogue 1982/83 . : Butterworth CO (Asia) PTE LTD.

Gaya MLA

LTD, Butterworth, CO, (Asia), PTE. "Butterworths Technical, Science and Social Science Catalogue 1982/83". : Butterworth CO (Asia) PTE LTD, 1982. Text.