APA

Heisey P. W., . (1990). Accelerating the transfer of wheat breeding gains to farmers : A study of the dynamics of varietal replacement in Pakistan. México, D.F: Centro Internacional de Mejoramiento de Maíz y Trigo.

Chicago

Heisey Paul W, . 1990. Accelerating the transfer of wheat breeding gains to farmers : A study of the dynamics of varietal replacement in Pakistan. México, D.F: Centro Internacional de Mejoramiento de Maíz y Trigo.

Harvard

Heisey P. W., . (1990). Accelerating the transfer of wheat breeding gains to farmers : A study of the dynamics of varietal replacement in Pakistan. México, D.F: Centro Internacional de Mejoramiento de Maíz y Trigo.

MLA

Heisey Paul W, . Accelerating the transfer of wheat breeding gains to farmers : A study of the dynamics of varietal replacement in Pakistan. México, D.F: Centro Internacional de Mejoramiento de Maíz y Trigo. 1990.