APA (7th ed.) Zitazioa
Gichira, R. (1987). Business education for secondary schools: Forms 1 and 2. Heinemann Kenya.
Chicago Style (17th ed.) Zitazioa
Gichira, Robert. Business Education for Secondary Schools: Forms 1 and 2. Nairobi: Heinemann Kenya, 1987.
MLA (9th ed.) Zitazioa
Gichira, Robert. Business Education for Secondary Schools: Forms 1 and 2. Heinemann Kenya, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.