APA-viite (7. p.)

Portugal, R. (2013). Quantum walks and search algorithms. Springer.

Chicago-viite (17. p.)

Portugal, Renato. Quantum Walks and Search Algorithms. New York: Springer, 2013.

MLA-viite (9. p.)

Portugal, Renato. Quantum Walks and Search Algorithms. Springer, 2013.