APA

Dahlke R., Verhey R., . (1986). What expert teachers say about teaching mathematics, grades K-8: a resource and discussion book for preservice and inservice teachers. Palo Alto, CA: Dale Seymour Publications.

Chicago

Dahlke Richard, Verhey Roger, . 1986. What expert teachers say about teaching mathematics, grades K-8: a resource and discussion book for preservice and inservice teachers. Palo Alto, CA: Dale Seymour Publications.

Harvard

Dahlke R., Verhey R., . (1986). What expert teachers say about teaching mathematics, grades K-8: a resource and discussion book for preservice and inservice teachers. Palo Alto, CA: Dale Seymour Publications.

MLA

Dahlke Richard, Verhey Roger, . What expert teachers say about teaching mathematics, grades K-8: a resource and discussion book for preservice and inservice teachers. Palo Alto, CA: Dale Seymour Publications. 1986.