Wyckoff & Unell. (1995). Discipline without shouting or spanking. Pelanduk.
Chicago Style (17th ed.) CitationWyckoff and Unell. Discipline Without Shouting or Spanking. Petaling Jaya: Pelanduk, 1995.
MLA (9th ed.) CitationWyckoff and Unell. Discipline Without Shouting or Spanking. Pelanduk, 1995.
Warning: These citations may not always be 100% accurate.