APA
Maharjan H., Poudel L. N. & C. Stone. (2003). New optional mathematics (class 9). Kathmandu: Bhundipuran Prakashan.
Chicago
Maharjan H.B, Poudel L N and C. Stone. 2003. New optional mathematics (class 9). Kathmandu: Bhundipuran Prakashan.
Harvard
Maharjan H., Poudel L. N. and C. Stone. (2003). New optional mathematics (class 9). Kathmandu: Bhundipuran Prakashan.
MLA
Maharjan H.B, Poudel L N and C. Stone. New optional mathematics (class 9). Kathmandu: Bhundipuran Prakashan. 2003.
