APA-viite (7. p.)

Agarwal, R. P. (1986). Boundary value problems for higher order differential equations. World Scientific.

Chicago-viite (17. p.)

Agarwal, Ravi P. Boundary Value Problems for Higher Order Differential Equations. Singapore ; Philadelphia, Pa.: World Scientific, 1986.

MLA-viite (8. p.)

Agarwal, Ravi P. Boundary Value Problems for Higher Order Differential Equations. World Scientific, 1986.