APA引文

Punjab (Pakistan). Directorate of Industries & Mineral Development. Directory of industrial establishments in Punjab. Directorate of Industries & Mineral Development.

Chicago Style (17th ed.) Citation

Punjab (Pakistan). Directorate of Industries & Mineral Development. Directory of Industrial Establishments in Punjab. [Lahore, Pakistan]: Directorate of Industries & Mineral Development.

MLA引文

Punjab (Pakistan). Directorate of Industries & Mineral Development. Directory of Industrial Establishments in Punjab. Directorate of Industries & Mineral Development.

警告：这些引文格式不一定是100％准确.