See the books Questions Young People Ask ​ — Answers That Work and The Secret of Family Happiness, both published by the Watchtower Bible and Tract Society of New York, Inc.
Lihat buku Pertanyaan Kaum Muda ​ — Jawaban yang Praktis dan Rahasia Kebahagiaan Keluarga, kedua buku yang diterbitkan oleh Watchtower Bible and Tract Society of New York, Inc.