APA-viite (7. p.)
(1966). PERT: A system for strategically planning world mission. Fuller Theological Seminary.
Chicago-viite (17. p.)
PERT: A System for Strategically Planning World Mission. Pasadena, California: Fuller Theological Seminary, 1966.
MLA-viite (9. p.)
PERT: A System for Strategically Planning World Mission. Fuller Theological Seminary, 1966.
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