APA

Gurnah A., Wa Thing'o N., . (2002). A grain of wheat. : Penguin books.

Chicago

Gurnah Abdulrazak, Wa Thing'o Ngugi, . 2002. A grain of wheat. : Penguin books.

Harvard

Gurnah A., Wa Thing'o N., . (2002). A grain of wheat. : Penguin books.

MLA

Gurnah Abdulrazak, Wa Thing'o Ngugi, . A grain of wheat. : Penguin books. 2002.