Dyfyniad APA

Robert H Perry. (1984). Perry's chemical engineer's hand book (6th.). Mc graw-hill book company.

Dyfyniad Arddull Chicago

Robert H Perry. Perry's Chemical Engineer's Hand Book. 6th. Mc graw-hill book company, 1984.

Dyfyniad MLA

Robert H Perry. Perry's Chemical Engineer's Hand Book. 6th. Mc graw-hill book company, 1984.

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