Gaya APA

Jeffrey, S., Mantaura, R. (1997). Phytoplankton Pigments in Oceanography : Guidelines to Modern Methods . Paris: Unesco Publishing.

Gaya MLA

Jeffrey, S.W.., Mantaura, R.F.C.. "Phytoplankton Pigments in Oceanography : Guidelines to Modern Methods". Paris: Unesco Publishing, 1997. Text.