. (1991). A Conversation With Professor Duncan Mara. Journal of Water and Wastewater; Ab va Fazilab (in persian), 2(2), 34–38. https://doi.org/10.22093/wwj.1991.173335
MLA
. "A Conversation With Professor Duncan Mara", Journal of Water and Wastewater; Ab va Fazilab (in persian), 2, 2, 1991, 34–38. doi: 10.22093/wwj.1991.173335
HARVARD
. (1991). 'A Conversation With Professor Duncan Mara', Journal of Water and Wastewater; Ab va Fazilab (in persian), 2(2), pp. 34–38. doi: 10.22093/wwj.1991.173335
CHICAGO
, "A Conversation With Professor Duncan Mara." Journal of Water and Wastewater; Ab va Fazilab (in persian), 2 2 (1991): 34–38, doi: 10.22093/wwj.1991.173335
VANCOUVER
. A Conversation With Professor Duncan Mara. Journal of Water and Wastewater; Ab va Fazilab (in persian). 1991;2(2):34–38 (In Persian). doi: 10.22093/wwj.1991.173335
