Gaya APA

Shahjehan, A. et al (2001). Determination of weak rocks deterioration due to moisture using rod penetration method (Vol. XXI, No. 1-2, Tahun). : PASPI.

Gaya MLA

Shahjehan, Asad. et al. "Determination of weak rocks deterioration due to moisture using rod penetration method". Vol. XXI, No. 1-2, Tahun : PASPI, 2001. Text.