Yoshida (2005). "The Involvement of Tonoplast Proton Pumps and Na+(K+)/H+ Exchangers in the Change of Petal Color During Flower Opening of Morning Glory, Ipomoea tricolor cv. Heavenly Blue". Plant and Cell Physiology. 46 (3): 407-415. doi:10.1093/pcp/pci057. ISSN1471-9053. PMID15695444.
Yoshida (2005). "The Involvement of Tonoplast Proton Pumps and Na+(K+)/H+ Exchangers in the Change of Petal Color During Flower Opening of Morning Glory, Ipomoea tricolor cv. Heavenly Blue". Plant and Cell Physiology. 46 (3): 407-415. doi:10.1093/pcp/pci057. ISSN1471-9053. PMID15695444.
"AGM Plants - Ornamental"(PDF). Royal Horticultural Society. Temmuz 2017. s. 53. 5 Ocak 2018 tarihinde kaynağından(PDF) arşivlendi. Erişim tarihi: 13 Mart 2018.
"AGM Plants - Ornamental"(PDF). Royal Horticultural Society. Temmuz 2017. s. 53. 5 Ocak 2018 tarihinde kaynağından(PDF) arşivlendi. Erişim tarihi: 13 Mart 2018.
Yoshida (2005). "The Involvement of Tonoplast Proton Pumps and Na+(K+)/H+ Exchangers in the Change of Petal Color During Flower Opening of Morning Glory, Ipomoea tricolor cv. Heavenly Blue". Plant and Cell Physiology. 46 (3): 407-415. doi:10.1093/pcp/pci057. ISSN1471-9053. PMID15695444.