Gaya APA

Lepp, I. (). The ways of friendship: transl. by B.Murchland. : Les chemins de l'amatié. 1964. . New York: Macmillan 1966.

Gaya MLA

Lepp, Ignace.. "The ways of friendship: transl. by B.Murchland. : Les chemins de l'amatié. 1964. ". New York: Macmillan 1966, . Buku.