Gaya APA
O'Mahony, G. (1993).
Finding the still point: Making use of moods. Foreword: Gerard W. Hughes. .
Guildford:
Guildford Eagle.
Gaya MLA
O'Mahony, Gerald.
"Finding the still point: Making use of moods. Foreword: Gerard W. Hughes. ".
Guildford:
Guildford Eagle,
1993.
Buku.