Punjab (Pakistan). Directorate of Industries & Mineral Development. Directory of industrial establishments in Punjab. Directorate of Industries & Mineral Development.
Cita Chicago Style (17a ed.)Punjab (Pakistan). Directorate of Industries & Mineral Development. Directory of Industrial Establishments in Punjab. [Lahore, Pakistan]: Directorate of Industries & Mineral Development.
Cita MLA (8a ed.)Punjab (Pakistan). Directorate of Industries & Mineral Development. Directory of Industrial Establishments in Punjab. Directorate of Industries & Mineral Development.
Precaución: Estas citas no son 100% exactas.