Cita APA

Tibbenham, A. D., Peckham, C. S., & Gardiner, P. A. (1978). Vision screening in children tested at 7, 11, and 16 years.

Chicago Style Citation

Tibbenham, A D., C S. Peckham, i P A. Gardiner. Vision Screening in Children Tested At 7, 11, and 16 Years. 1978.

Cita MLA

Tibbenham, A D., C S. Peckham, i P A. Gardiner. Vision Screening in Children Tested At 7, 11, and 16 Years. 1978.