Gaya APA

Lugo, James O.. (1979). Human development : a psychological biological and sociological approach to the life span / James O. Lugo, Gerald L. Hershey (2nd ed). : New York : Macmillan.

Gaya Chicago

Lugo, James O.. Human development : a psychological biological and sociological approach to the life span / James O. Lugo, Gerald L. Hershey. 2nd ed : New York : Macmillan, 1979. Buku.

Gaya MLA

Lugo, James O.. Human development : a psychological biological and sociological approach to the life span / James O. Lugo, Gerald L. Hershey. 2nd ed : New York : Macmillan, 1979. Buku.

Gaya Turabian

Lugo, James O.. Human development : a psychological biological and sociological approach to the life span / James O. Lugo, Gerald L. Hershey. 2nd ed : New York : Macmillan, 1979. Buku.