Dugard, P., Todman, J. B., & Staines, H. [ca. 2010]. Approaching multivariate analysis : a practical introduction (2 nd ed.) [Book]. London [u.a.]: Routledge.

DUGARD, Pat, TODMAN, John B. and STAINES, Harry, 2010. Approaching multivariate analysis : a practical introduction. 2 nd ed. London [u.a.]: Routledge. ISBN 9780415478281.

Dugard, P., J. B. Todman, and H. Staines. Approaching multivariate analysis : a practical introduction. 2 nd ed., book, Routledge, 2010.

Dugard, Pat/Todman, John B./Staines, Harry: Approaching multivariate analysis : a practical introduction, 2 nd ed. ed. London [u.a.] 2010.

Dugard, P., Todman, J.B. and Staines, H. (2010), Approaching multivariate analysis : a practical introduction, 2 nd ed., Vol. , Routledge, London [u.a.].