Cita APA (7a ed.)
Penov, I. (2004). The Use of Irrigation Water in Bulgaria’s Plovdiv Region During Transition. Environmental Management, 34(2), 304-314.
Cita Chicago Style (17a ed.)
Penov, Ivan. "The Use of Irrigation Water in Bulgaria’s Plovdiv Region During Transition." Environmental Management 34, no. 2 (2004): 304-314.
Cita MLA (9a ed.)
Penov, Ivan. "The Use of Irrigation Water in Bulgaria’s Plovdiv Region During Transition." Environmental Management, vol. 34, no. 2, 2004, pp. 304-314.
Precaución: Estas citas no son 100% exactas.