Wallwork,, & Abdullah Hasbi bin Haji Hassan. (1985). Mining techniques for alluvial tin deposits: Proceedings of the fourth SEATRADC Seminar held in Ipoh, Malaysia on 8-11 Octorber 1984. Ipoh, Malaysia: SEATRAD Centre.
Chicago Style CitationWallwork,, and Abdullah Hasbi bin Haji Hassan. Mining Techniques for Alluvial Tin Deposits: Proceedings of the Fourth SEATRADC Seminar Held in Ipoh, Malaysia On 8-11 Octorber 1984. Ipoh, Malaysia: SEATRAD Centre, 1985.
MLA CitationWallwork,, and Abdullah Hasbi bin Haji Hassan. Mining Techniques for Alluvial Tin Deposits: Proceedings of the Fourth SEATRADC Seminar Held in Ipoh, Malaysia On 8-11 Octorber 1984. Ipoh, Malaysia: SEATRAD Centre, 1985.
Warning: These citations may not always be 100% accurate.