APA استشهاد

Daniels , P. (2001). Human geography: Issues for the 21st century. Pearson education.

استشهاد بنمط شيكاغو

Daniels , Peteretc. Human Geography: Issues for the 21st Century. New Delhi: Pearson education, 2001.

MLA استشهاد

Daniels , Peteretc. Human Geography: Issues for the 21st Century. Pearson education, 2001.