Παραπομπή σε μορφή APA (7η εκδ.)

Iowa. State Board of Education. (1910). Biennial report of the Iowa State Board of Education to the Governor and the ... General Assembly for the biennial period ending . State Board of Education.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Iowa. State Board of Education. Biennial Report of the Iowa State Board of Education to the Governor and the ... General Assembly for the Biennial Period Ending . Des Moines: State Board of Education, 1910.

Παραπομπή σε μορφή MLA (8th εκδ.)

Iowa. State Board of Education. Biennial Report of the Iowa State Board of Education to the Governor and the ... General Assembly for the Biennial Period Ending . State Board of Education, 1910.