Punjab Punjab Curriculum and Textbook Board. (1995). [Social studies, grade 8]. New Crescent Publishers.
Citazione stile Chigago Style (17a edizione)Punjab Punjab Curriculum and Textbook Board. [Social Studies, Grade 8]. Lahore: New Crescent Publishers, 1995.
Citatione MLA (9a ed.)Punjab Punjab Curriculum and Textbook Board. [Social Studies, Grade 8]. New Crescent Publishers, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.