Gaya APA

DIEHL, H, S., DALRYMPLE, W. (1955). Element of healthful living (4th ed.). United Stated of America : McGraw-Hill Book.

Gaya MLA

DIEHL, Harold, S.., DALRYMPLE, Willard. "Element of healthful living". 4th ed. United Stated of America : McGraw-Hill Book, 1955. Text.