Kuhne, G. W. (1976). The dynamics of personal follow-up. Zondervan.
Lua i Stíl Chicago (17ú heag.)Kuhne, Gary W. The Dynamics of Personal Follow-up. Zondervan, 1976.
Lua MLA (9ú heag.)Kuhne, Gary W. The Dynamics of Personal Follow-up. Zondervan, 1976.
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