Gaya APA

Frid, D, G, R, C, L., Sudjadi, . (2010). Ecosystem ecology: a new synthetis . Cambridge: Cambridge Universitty Press.

Gaya MLA

Frid, David, G., Raffaelli, Christopher, L-J., Sudjadi, . "Ecosystem ecology: a new synthetis". Cambridge: Cambridge Universitty Press, 2010. Text.