Παραπομπή APA

Bienz,D R. (1980). Why and How of home horticulture. W H Freeman and company.

Παραπομπή Chicago Style

Bienz,D R. Why and How of Home Horticulture. New York: W H Freeman and company, 1980.

Παραπομπή MLA

Bienz,D R. Why and How of Home Horticulture. W H Freeman and company, 1980.