APA (7th ed.) Zitazioa
(1980). Footsteps discussion guide Part II: A discussion leader's guide to accompany programs 21-30. University park.
Chicago Style (17th ed.) Zitazioa
Footsteps Discussion Guide Part II: A Discussion Leader's Guide to Accompany Programs 21-30. Maryland: University park, 1980.
MLA (9th ed.) Zitazioa
Footsteps Discussion Guide Part II: A Discussion Leader's Guide to Accompany Programs 21-30. University park, 1980.
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