Wallin, J. E. W. (1911). Spelling efficiency in relation to age, grade and sex, and the question of transfer: An experimental and critical study of the function of method in the teaching of spelling. Warwick & York.
Chicago-Zitierstil (17. Ausg.)Wallin, John E. Wallace. Spelling Efficiency in Relation to Age, Grade and Sex, and the Question of Transfer: An Experimental and Critical Study of the Function of Method in the Teaching of Spelling. Baltimore: Warwick & York, 1911.
MLA-Zitierstil (9. Ausg.)Wallin, John E. Wallace. Spelling Efficiency in Relation to Age, Grade and Sex, and the Question of Transfer: An Experimental and Critical Study of the Function of Method in the Teaching of Spelling. Warwick & York, 1911.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.