(1998). Invisible walls: Why we ignore the damage we inflict on the planet-- and ourselves / Peter Seidel ; foreword by Ervin Laszlo.
芝加哥风格引文Invisible Walls: Why We Ignore the Damage We Inflict on the Planet-- and Ourselves / Peter Seidel ; Foreword by Ervin Laszlo. 1998.
MLA引文Invisible Walls: Why We Ignore the Damage We Inflict on the Planet-- and Ourselves / Peter Seidel ; Foreword by Ervin Laszlo. 1998.
警告：这些引文格式不一定是100％准确.