Cita APA (7a ed.)
University of the Punjab. Institute of Education and Research. Bulletin of education and research. Panjab University Press.
Cita Chicago Style (17a ed.)
University of the Punjab. Institute of Education and Research. Bulletin of Education and Research. Lahore: Panjab University Press.
Cita MLA (9a ed.)
University of the Punjab. Institute of Education and Research. Bulletin of Education and Research. Panjab University Press.
Precaución: Estas citas no son 100% exactas.