APA-viite

NORTHEN,Henry T. and NORTHERN,Rebecca T. (1956). THE COMPLETER BOOK OF GREENHOUSE GARDENING. THE RONALD PRESS COMPANY.

Chicago-tyylinen lähdeviittaus

NORTHEN,Henry T. and NORTHERN,Rebecca T. THE COMPLETER BOOK OF GREENHOUSE GARDENING. NEW YORK: THE RONALD PRESS COMPANY, 1956.

MLA-viite

NORTHEN,Henry T. and NORTHERN,Rebecca T. THE COMPLETER BOOK OF GREENHOUSE GARDENING. THE RONALD PRESS COMPANY, 1956.