Gaya APA

Canada), N, (, N, S, A, O. (). E-book The Sunflower Production Guide . Canada: The National Sunflower Association of Canada (NSAC).

Gaya MLA

Canada), NSAC, (The, National, Sunflower, Association, Of. "E-book The Sunflower Production Guide". Canada: The National Sunflower Association of Canada (NSAC), . Text.