Vulpe, S. G. (1969). Basic skills assessment: For children functioning from three months to six years of age. National Institute on Mental Retardation.
Chicago-Zitierstil (17. Ausg.)Vulpe, Shirley German. Basic Skills Assessment: For Children Functioning from Three Months to Six Years of Age. Toronto: National Institute on Mental Retardation, 1969.
MLA-Zitierstil (8. Ausg.)Vulpe, Shirley German. Basic Skills Assessment: For Children Functioning from Three Months to Six Years of Age. National Institute on Mental Retardation, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.