Singh, K. (1994). The biological variation in Indian populations. O.U.Pr..
Chicago-čujuhus (17. p.)Singh, K.S. The Biological Variation in Indian Populations. Delhi: O.U.Pr., 1994.
MLA-čujuhus (9. p.)Singh, K.S. The Biological Variation in Indian Populations. O.U.Pr., 1994.
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