Gaya APA

Spiegel, Y. (1977). The grief process, [transl. by Elsbeth Duke]. : Der Prozess des Trauerns. 1973. . [London]: SCM Press.

Gaya MLA

Spiegel, Yorick.. "The grief process, [transl. by Elsbeth Duke]. : Der Prozess des Trauerns. 1973. ". [London]: SCM Press, 1977. Buku.