Curriculum Development Centre. (1972). Social studies (Experimental version.). NECZAM [National Educational Company of Zambia].
Chicago-Zitierstil (17. Ausg.)Curriculum Development Centre. Social Studies. Experimental version. Lusaka: NECZAM [National Educational Company of Zambia], 1972.
MLA-Zitierstil (9. Ausg.)Curriculum Development Centre. Social Studies. Experimental version. NECZAM [National Educational Company of Zambia], 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.