Allen Klein (1989). “The Healing Power of Humor: Techniques for Getting Through Loss, Setbacks, Upsets, Disappointments, Difficulties, Trials, Tribulations, and All that Not-so-funny Stuff”, Tarcher
Allen Klein (1989). “The Healing Power of Humor: Techniques for Getting Through Loss, Setbacks, Upsets, Disappointments, Difficulties, Trials, Tribulations, and All that Not-so-funny Stuff”, Tarcher
Allen Klein (1989). “The Healing Power of Humor: Techniques for Getting Through Loss, Setbacks, Upsets, Disappointments, Difficulties, Trials, Tribulations, and All that Not-so-funny Stuff”, Tarcher