Asian Regional Conference on School Biology, 2d, Manila, 1968. (1968). Proceedings of the second biennial conference on school biology education: Sponsored by The Asia Foundation, Japan BSCS Committee and International Christian University. Asian Association for Biology Education, Secretariat; University of the Philippines, Science Education Center.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Asian Regional Conference on School Biology, 2d, Manila, 1968. Proceedings of the Second Biennial Conference on School Biology Education: Sponsored by The Asia Foundation, Japan BSCS Committee and International Christian University. Quezon City: Asian Association for Biology Education, Secretariat; University of the Philippines, Science Education Center, 1968.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Asian Regional Conference on School Biology, 2d, Manila, 1968. Proceedings of the Second Biennial Conference on School Biology Education: Sponsored by The Asia Foundation, Japan BSCS Committee and International Christian University. Asian Association for Biology Education, Secretariat; University of the Philippines, Science Education Center, 1968.