Gaya APA

Shefter, H. (20972). 6 minutes a day to perfect spelling will teach you how to spell any word correctly as easily, accurately and permanently as you spell your own name this tested method will banish your spelling troubles forever . : pocket books.

Gaya MLA

Shefter, Harry. "6 minutes a day to perfect spelling will teach you how to spell any word correctly as easily, accurately and permanently as you spell your own name this tested method will banish your spelling troubles forever". : pocket books, 20972. Text.