Guyana Ministry of Education & Kartick, P. (2009). Secondary school transitional curriculum guide - Social studies: Grades 6-7 ([Stand:] 22nd May, 2009.).
Cita Chicago Style (17a ed.)Guyana Ministry of Education y Philip Kartick. Secondary School Transitional Curriculum Guide - Social Studies: Grades 6-7. [Stand:] 22nd May, 2009. [S.l.], 2009.
Cita MLA (9a ed.)Guyana Ministry of Education y Philip Kartick. Secondary School Transitional Curriculum Guide - Social Studies: Grades 6-7. [Stand:] 22nd May, 2009. 2009.
Precaución: Estas citas no son 100% exactas.