Παραπομπή APA

Lewis, N. Word power made easy: The most effective vocabulary builder in the english language.

Παραπομπή Chicago Style

Lewis, Norman. Word Power Made Easy: The Most Effective Vocabulary Builder in the English Language. Goyal publishers & distributers pvt ltd.

Παραπομπή MLA

Lewis, Norman. Word Power Made Easy: The Most Effective Vocabulary Builder in the English Language.