APA-viite (7. p.)

Gambini, R., & Pullin, J. (1996). Loops, knots, gauge theories, and quantum gravity. Cambridge University Press.

Chicago-viite (17. p.)

Gambini, Rodolfo, ja Jorge Pullin. Loops, Knots, Gauge Theories, and Quantum Gravity. Cambridge, New York: Cambridge University Press, 1996.

MLA-viite (9. p.)

Gambini, Rodolfo, ja Jorge Pullin. Loops, Knots, Gauge Theories, and Quantum Gravity. Cambridge University Press, 1996.