Παραπομπή APA

Lekh Raj Singh. (2006). Fundamentals of practical geography. Sharda Pustak Bhawan.

Παραπομπή Chicago Style

Lekh Raj Singh. Fundamentals of Practical Geography. Allahabad: Sharda Pustak Bhawan, 2006.

Παραπομπή MLA

Lekh Raj Singh. Fundamentals of Practical Geography. Sharda Pustak Bhawan, 2006.