Citazione Stile APA (7a Edizione)

Swindells, P. (2001). Waterfalls and fountains. Barron's Educational Series.

Citazione stile Chigago Style (17a edizione)

Swindells, Philip. Waterfalls and Fountains. Hauppauge, N.Y: Barron's Educational Series, 2001.

Citatione MLA (9a ed.)

Swindells, Philip. Waterfalls and Fountains. Barron's Educational Series, 2001.