Lua APA (7ú heag.)
Gichira, R. (1987). Business education for secondary schools: Forms 1 and 2. Heinemann Kenya.
Lua i Stíl Chicago (17ú heag.)
Gichira, Robert. Business Education for Secondary Schools: Forms 1 and 2. Nairobi: Heinemann Kenya, 1987.
Lua MLA (9ú heag.)
Gichira, Robert. Business Education for Secondary Schools: Forms 1 and 2. Heinemann Kenya, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.