Brown, P. W., Wilson, L. S., & Mitchell, S. (1994). Humanities doctorates in the United States: 1991 profile. National Academy Press : Available from Survey of Humanities Doctorates.
Citace podle Chicago (17th ed.)Brown, Prudence W., Linda S. Wilson, a Susan Mitchell. Humanities Doctorates in the United States: 1991 Profile. Washington, D.C.: National Academy Press : Available from Survey of Humanities Doctorates, 1994.
Citace podle MLA (9th ed.)Brown, Prudence W., et al. Humanities Doctorates in the United States: 1991 Profile. National Academy Press : Available from Survey of Humanities Doctorates, 1994.
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