Publishing Company Limited, ISBN 0-88780-621-X Carson, Mary Kay (2007), Alexander Graham Bell: Giving Voice to the World, Sterling Publishing Company, Inc.,

フィリピンの歴史 (1898年-1946年)

Image, Century, ISBN 978-0-7126-3732-9, https://books.google.com/books?id=G8DcOwAACAAJ Lacsamana, Leodivico Cruz (2006), Philippine history and government

炭素隔離

PMID 22962585. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3433453/. ^ US EPA, OW (2018年7月27日). “Basic Information about Wetland Restoration and Protection”

Found in articles

アレクサンダー・グラハム・ベル

Publishing Company Limited, ISBN 0-88780-621-X Carson, Mary Kay (2007), Alexander Graham Bell: Giving Voice to the World, Sterling Publishing Company, Inc.,

フィリピンの歴史 (1898年-1946年)

Image, Century, ISBN 978-0-7126-3732-9, https://books.google.com/books?id=G8DcOwAACAAJ Lacsamana, Leodivico Cruz (2006), Philippine history and government

炭素隔離

PMID 22962585. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3433453/. ^ US EPA, OW (2018年7月27日). “Basic Information about Wetland Restoration and Protection”