Gaya APA

Hubbard, L, R, (, F, R. et al (c2012). Horticulture: for a greener world . cau: Bridge Publications.

Gaya MLA

Hubbard, L., Ron, (La, Fayette, Ron). et al. "Horticulture: for a greener world". cau: Bridge Publications, c2012. Buku.