Dyfyniad APA

Myring, L., & Newton, i. M. (1992). Foguetes e as viagens no espaço. Resomnia.

Dyfyniad Arddull Chicago

Myring, Lynn, and il. Martin Newton. Foguetes E as Viagens No Espaço. Resomnia, 1992.

Dyfyniad MLA

Myring, Lynn, and il. Martin Newton. Foguetes E as Viagens No Espaço. Resomnia, 1992.

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