Dyfyniad APA

National Library (Singapore). Young People's Service. (1993). Window to the sky. Young People's Service, National Library, Singapore, Macmillan/McGraw-Hill.

Dyfyniad Arddull Chicago

National Library (Singapore). Young People's Service. Window to the Sky. Singapore : New York: Young People's Service, National Library, Singapore, Macmillan/McGraw-Hill, 1993.

Dyfyniad MLA

National Library (Singapore). Young People's Service. Window to the Sky. Young People's Service, National Library, Singapore, Macmillan/McGraw-Hill, 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.