HOLMES, N. J., LEAKE, J. B., & SHAW, M. W. Gateways to science. Webster Division.
Lua i Stíl Chicago (17ú heag.)HOLMES, Neal J., John B. LEAKE, agus Mary W. SHAW. Gateways to Science. New York: Webster Division.
Lua MLA (9ú heag.)HOLMES, Neal J., et al. Gateways to Science. Webster Division.
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