Gaya APA
Newell, G., Newell, R.
(1963).
Marine plankton : a practiacal giude
.
London:
Hutchinson Educational.
Gaya MLA
Newell, G.E.., Newell, R.C..
"Marine plankton : a practiacal giude".
London:
Hutchinson Educational,
1963.
Text.