Gaya APA

Chamberlain, E, N, (, N. et al (1987). Chamberlain`s Symptoms and signs in clinical medicine : an introduction to medical diagnosis (11th ed., ELBS ed.). Oxford: Butterworth-Heinemann.

Gaya MLA

Chamberlain, E., Noble, (ernest, Noble). et al. "Chamberlain`s Symptoms and signs in clinical medicine : an introduction to medical diagnosis". 11th ed., ELBS ed. Oxford: Butterworth-Heinemann, 1987. Text.