Citazione APA

Grant, W. V., & Lind, C. G. (1977). Digest of Education Statistics. National Center for Education Statistics.

Stile di citazione Chicago

Grant, W Vance, e C. George Lind. Digest of Education Statistics. Washington: National Center for Education Statistics, 1977.

Citazione MLA

Grant, W Vance, e C. George Lind. Digest of Education Statistics. National Center for Education Statistics, 1977.