HOLMES, N. J., LEAKE, J. B., & SHAW, M. W. Gateways to science. Webster Division.
Chicago-čujuhus (17. p.)HOLMES, Neal J., John B. LEAKE, juo Mary W. SHAW. Gateways to Science. New York: Webster Division.
MLA-čujuhus (9. p.)HOLMES, Neal J., et al. Gateways to Science. Webster Division.
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