A. C. Bhaktivedanta Swami Prabhupāda. (1991). Łatwa podróż na inne planety Śrī Śrīmad A. C. Bhaktivedanty Swamiego Prabhupādy. The Bhaktivedanta Book Trust.
Citazione stile Chigago Style (17a edizione)A. C. Bhaktivedanta Swami Prabhupāda. Łatwa Podróż Na Inne Planety Śrī Śrīmad A. C. Bhaktivedanty Swamiego Prabhupādy. [Grödinge]: The Bhaktivedanta Book Trust, 1991.
Citatione MLA (9a ed.)A. C. Bhaktivedanta Swami Prabhupāda. Łatwa Podróż Na Inne Planety Śrī Śrīmad A. C. Bhaktivedanty Swamiego Prabhupādy. The Bhaktivedanta Book Trust, 1991.
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