Turk, J. (1989). Home study experiments to accompany Environmental Science (4th.). Harcourt Brace.
Citazione stile Chigago Style (17a edizione)Turk, Jonathan. Home Study Experiments to Accompany Environmental Science. 4th. New York: Harcourt Brace, 1989.
Citatione MLA (9a ed.)Turk, Jonathan. Home Study Experiments to Accompany Environmental Science. 4th. Harcourt Brace, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.