Παραπομπή APA

Yorston,R.Keith. (1962). Australian secretarial practice. The law of book.

Παραπομπή Chicago Style

Yorston,R.Keith. Australian Secretarial Practice. Australia: The law of book, 1962.

Παραπομπή MLA

Yorston,R.Keith. Australian Secretarial Practice. The law of book, 1962.