Prabhupadaswami. (1990). Hare Krsna challenge. Bhaktivedanta Book Trust.
Chicagoスタイル(17版)引用形式Prabhupadaswami. Hare Krsna Challenge. Mumbai: Bhaktivedanta Book Trust, 1990.
MLA(9版)引用形式Prabhupadaswami. Hare Krsna Challenge. Bhaktivedanta Book Trust, 1990.
警告: この引用は必ずしも正確ではありません.