Lee, I. (2012). Nature, the great mentor: 3.8 billion years Nature's wisdom changes the future of mankind! (1st edition.). Gyeonggi-do, [Corea del Sur]: Youngsa Kim.
Citación estilo ChicagoLee, In-sik. Nature, the Great Mentor: 3.8 Billion Years Nature's Wisdom Changes the Future of Mankind! 1st edition. Gyeonggi-do, [Corea del Sur]: Youngsa Kim, 2012.
Cita MLALee, In-sik. Nature, the Great Mentor: 3.8 Billion Years Nature's Wisdom Changes the Future of Mankind! 1st edition. Gyeonggi-do, [Corea del Sur]: Youngsa Kim, 2012.
Precaución: Estas citas no son 100% exactas.