Thailand. Krom Songsœ̄m Khunnaphāp Singwǣtlō̜m. (2004). Saphan Seekhieo: The green bridge : towards practical environmental education. Department of Environmental Quality Promotion, Ministry of Science, Technology and Environment.
Chicago-Zitierstil (17. Ausg.)Thailand. Krom Songsœ̄m Khunnaphāp Singwǣtlō̜m. Saphan Seekhieo: The Green Bridge : Towards Practical Environmental Education. Bangkok: Department of Environmental Quality Promotion, Ministry of Science, Technology and Environment, 2004.
MLA-Zitierstil (8. Ausg.)Thailand. Krom Songsœ̄m Khunnaphāp Singwǣtlō̜m. Saphan Seekhieo: The Green Bridge : Towards Practical Environmental Education. Department of Environmental Quality Promotion, Ministry of Science, Technology and Environment, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.