Gaya APA

Joni, E, T. (2001). When Is It Right To Die? : suicide, euthanasia, suffering, mercy (Trawas) . Grand Rapids: Zondervan Publishing House.

Gaya MLA

Joni, Eareckson, Tada,. "When Is It Right To Die? : suicide, euthanasia, suffering, mercy (Trawas)". Grand Rapids: Zondervan Publishing House, 2001. Text.