SMITH & SMITH. (1982). Mekanika Tanah Seri Pedoman Godwin. Erlangga.
Chicago Style (17th ed.) CitationSMITH and SMITH. Mekanika Tanah Seri Pedoman Godwin. Erlangga, 1982.
MLA (8th ed.) CitationSMITH and SMITH. Mekanika Tanah Seri Pedoman Godwin. Erlangga, 1982.
Warning: These citations may not always be 100% accurate.