Johnson, M. D. (2010). Human biology: Concepts and current issues (5th ed.). Benjamin Cummings.
Citazione stile Chigago Style (17a edizione)Johnson, Michael D. Human Biology: Concepts and Current Issues. 5th ed. San Francisco: Benjamin Cummings, 2010.
Citatione MLA (9a ed.)Johnson, Michael D. Human Biology: Concepts and Current Issues. 5th ed. Benjamin Cummings, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.