Παραπομπή σε μορφή APA (7η εκδ.)

Oregon State Univ., C. C. E. S., Washington State Univ., P. C. E. S., Idaho Univ., M. C. E. S., & Schmall, V. L. (1991). Sensory Changes in Later Life. A Pacific Northwest Extension Publication. PNW 196. Revised.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Oregon State Univ., Corvallis. Cooperative Extension Service., Pullman. Cooperative Extension Service Washington State Univ., Moscow. Cooperative Extension Service Idaho Univ., και Vicki L. Schmall. Sensory Changes in Later Life. A Pacific Northwest Extension Publication. PNW 196. Revised. 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Oregon State Univ., Corvallis. Cooperative Extension Service., et al. Sensory Changes in Later Life. A Pacific Northwest Extension Publication. PNW 196. Revised. 1991.