Gaya APA

CHERONIS, Nicholas D., Parsons, James B., Ronneberg, Conrad E.. (1950). The Study of the Physical World (2 nd. ed.). Massachusetts: Hougton Mifflin Company.Boston.

Gaya Chicago

CHERONIS, Nicholas D., Parsons, James B., Ronneberg, Conrad E.. The Study of the Physical World. 2 nd. ed. Massachusetts: Hougton Mifflin Company.Boston, 1950. .

Gaya MLA

CHERONIS, Nicholas D., Parsons, James B., Ronneberg, Conrad E.. The Study of the Physical World. 2 nd. ed. Massachusetts: Hougton Mifflin Company.Boston, 1950. .

Gaya Turabian

CHERONIS, Nicholas D., Parsons, James B., Ronneberg, Conrad E.. The Study of the Physical World. 2 nd. ed. Massachusetts: Hougton Mifflin Company.Boston, 1950. .