S B P CONSULTANTS & ENGINEERS PVT LTD. (1989). S B P HANDBOOK OF MEDIUM AND LARGE SCALE INDUSTRIES. S B P CONSULTANT & ENGINEERS PVT LTD.
Chicago-referens (17:e uppl.)S B P CONSULTANTS & ENGINEERS PVT LTD. S B P HANDBOOK OF MEDIUM AND LARGE SCALE INDUSTRIES. DELHI: S B P CONSULTANT & ENGINEERS PVT LTD, 1989.
MLA-referens (9:e uppl.)S B P CONSULTANTS & ENGINEERS PVT LTD. S B P HANDBOOK OF MEDIUM AND LARGE SCALE INDUSTRIES. S B P CONSULTANT & ENGINEERS PVT LTD, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.