APA

Brusca R. C., Brusca G. J., . (2003). Invertebrates. Massachusetts: Sinauer Associates.

Chicago

Brusca Richard C, Brusca Gary J, . 2003. Invertebrates. Massachusetts: Sinauer Associates.

Harvard

Brusca R. C., Brusca G. J., . (2003). Invertebrates. Massachusetts: Sinauer Associates.

MLA

Brusca Richard C, Brusca Gary J, . Invertebrates. Massachusetts: Sinauer Associates. 2003.