Christensen, M. S. (1989). Techniques and economics of intensive cultivation of Jelawat and lempam carp in floating cages: A handbook for extension workers and farmers. Printed by Percetakan Persada Utama.
Cita Chicago (17th ed.)Christensen, Mikkel S. Techniques and Economics of Intensive Cultivation of Jelawat and Lempam Carp in Floating Cages: A Handbook for Extension Workers and Farmers. Indonesia: Printed by Percetakan Persada Utama, 1989.
Cita MLA (9th ed.)Christensen, Mikkel S. Techniques and Economics of Intensive Cultivation of Jelawat and Lempam Carp in Floating Cages: A Handbook for Extension Workers and Farmers. Printed by Percetakan Persada Utama, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.