APA

Bukenya A. (. a., Oxford University Press East Africa Limited, Bukenya A., Kioko Angelina, David Njeng'ere, Mutei Virginia & Oxford University Press East Africa Limited. (2003). Headstart Secondary English 1. Nairobi: Oxford University Press East Africa Limited.

Chicago

Bukenya Austin (et al.), Oxford University Press East Africa Limited, Bukenya Austin, Kioko Angelina, David Njeng'ere, Mutei Virginia and Oxford University Press East Africa Limited. 2003. Headstart Secondary English 1. Nairobi: Oxford University Press East Africa Limited.

Harvard

Bukenya A. (. a., Oxford University Press East Africa Limited, Bukenya A., Kioko Angelina, David Njeng'ere, Mutei Virginia and Oxford University Press East Africa Limited. (2003). Headstart Secondary English 1. Nairobi: Oxford University Press East Africa Limited.

MLA

Bukenya Austin (et al.), Oxford University Press East Africa Limited, Bukenya Austin, Kioko Angelina, David Njeng'ere, Mutei Virginia and Oxford University Press East Africa Limited. Headstart Secondary English 1. Nairobi: Oxford University Press East Africa Limited. 2003.