ചെറൂപ്പ, ബ., & Cherooppa, B. (2016). കടല്ജീവികളുടെ ലോകം (2nd ed.). Kerala Sasthra Sahitya Parisath.
Citação norma Chicagoചെറൂപ്പ, ബാലകൃഷ്ണന്, and Balakrishnan Cherooppa. കടല്ജീവികളുടെ ലോകം. 2nd ed. തൃശൂര്: Kerala Sasthra Sahitya Parisath, 2016.
Citação norma MLAചെറൂപ്പ, ബാലകൃഷ്ണന്, and Balakrishnan Cherooppa. കടല്ജീവികളുടെ ലോകം. 2nd ed. Kerala Sasthra Sahitya Parisath, 2016.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.