Cita APA

Van Der Waal, B. C., & Schoonbee, H. J. Age and growth studies of Clarias gariepinus(Burchell)(Clariidae) in the Transvaal, South Africa.

Citación estilo Chicago

Van Der Waal, B. C., y H. J. Schoonbee. Age and Growth Studies of Clarias Gariepinus(Burchell)(Clariidae) in the Transvaal, South Africa.

Cita MLA

Van Der Waal, B. C., y H. J. Schoonbee. Age and Growth Studies of Clarias Gariepinus(Burchell)(Clariidae) in the Transvaal, South Africa.