APA সাইটেশন

APHA. (1998). Standard methods for the examination of water and waste water APHA ( Photostat ).

শিকাগো স্টাইলে সাইটেশন

APHA. Standard Methods for the Examination of Water and Waste Water APHA ( Photostat ). Washington, APH, 1998.

এমএলএ সাইটেশন

APHA. Standard Methods for the Examination of Water and Waste Water APHA ( Photostat ). 1998.