Παραπομπή APA

Hollingsworth, D. (1973). National nutritional problems in a changing world. Applied Science Publishers.

Παραπομπή Chicago Style

Hollingsworth, Dorothy. National Nutritional Problems in a Changing World. London: Applied Science Publishers, 1973.

Παραπομπή MLA

Hollingsworth, Dorothy. National Nutritional Problems in a Changing World. Applied Science Publishers, 1973.