Science and Mathematics Education Manpower Development Project. (1998). Sourcebook on practical work for teacher trainers: Elementary school science, vol.1. SMEMDP.
Chicago-Zitierstil (17. Ausg.)Science and Mathematics Education Manpower Development Project. Sourcebook on Practical Work for Teacher Trainers: Elementary School Science, Vol.1. Diliman, Quezon City: SMEMDP, 1998.
MLA-Zitierstil (9. Ausg.)Science and Mathematics Education Manpower Development Project. Sourcebook on Practical Work for Teacher Trainers: Elementary School Science, Vol.1. SMEMDP, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.