Sambia Ministry of Education & Malwa, I. (1973). Twama: Grade 2, term 1. NECZAM [National Educational Company of Zambia.
Citazione stile Chigago Style (17a edizione)Sambia Ministry of Education e Innocent Malwa. Twama: Grade 2, Term 1. Lusaka: NECZAM [National Educational Company of Zambia, 1973.
Citatione MLA (9a ed.)Sambia Ministry of Education e Innocent Malwa. Twama: Grade 2, Term 1. NECZAM [National Educational Company of Zambia, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.