Cita APA (7th ed.)

Firth, V. (1981). Rototom technique: 21 progressive études. Carl Fischer.

Cita Chicago (17th ed.)

Firth, Vic. Rototom Technique: 21 Progressive études. Nueva York: Carl Fischer, 1981.

Cita MLA (9th ed.)

Firth, Vic. Rototom Technique: 21 Progressive études. Carl Fischer, 1981.