Lua APA (7ú heag.)
Gichira, R. (1993). A textbook of office practice and organisation. East African Educational Publishers.
Lua i Stíl Chicago (17ú heag.)
Gichira, Robert. A Textbook of Office Practice and Organisation. Nairobi: East African Educational Publishers, 1993.
Lua MLA (9ú heag.)
Gichira, Robert. A Textbook of Office Practice and Organisation. East African Educational Publishers, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.