APA

Natraya Raja (K S), Jiju Varshese Jacob, . (1999). Solar Hotwater Systems. : .

Chicago

Natraya Raja (K S), Jiju Varshese Jacob, . 1999. Solar Hotwater Systems. : .

Harvard

Natraya Raja (K S), Jiju Varshese Jacob, . (1999). Solar Hotwater Systems. : .

MLA

Natraya Raja (K S), Jiju Varshese Jacob, . Solar Hotwater Systems. : . 1999.