Style de citation APA (7e éd.)
Gichira, R. (1993). A textbook of office practice and organisation. East African Educational Publishers.
Style de citation Chicago (17e éd.)
Gichira, Robert. A Textbook of Office Practice and Organisation. Nairobi: East African Educational Publishers, 1993.
Style de citation MLA (9e éd.)
Gichira, Robert. A Textbook of Office Practice and Organisation. East African Educational Publishers, 1993.
Attention : ces citations peuvent ne pas être correctes à 100%.