Cita APA (7th ed.)

Vajravelu, K., & Prasad, K. V. (2014). Keller-box method and its application. De Gruyter/Higher Education Press.

Cita Chicago (17th ed.)

Vajravelu, Kuppalapalle, i Kerehalli V. Prasad. Keller-box Method and Its Application. Berlin ; Boston: De Gruyter/Higher Education Press, 2014.

Cita MLA (9th ed.)

Vajravelu, Kuppalapalle, i Kerehalli V. Prasad. Keller-box Method and Its Application. De Gruyter/Higher Education Press, 2014.